253751778

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 168

約数和(自身を含む): 696302208

約数和(自身を除く): 442550430

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 47, 54, 63, 69, 81, 94, 126, 138, 141, 161, 162, 189, 207, 243, 282, 322, 329, 378, 414, 423, 483, 486, 529, 567, 621, 658, 729, 846, 966, 987, 1058, 1081, 1134, 1242, 1269, 1449, 1458, 1587, 1701, 1863, 1974, 2162, 2538, 2898, 2961, 3174, 3243, 3402, 3703, 3726, 3807, 4347, 4761, 5103, 5589, 5922, 6486, 7406, 7567, 7614, 8694, 8883, 9522, 9729, 10206, 11109, 11178, 11421, 13041, 14283, 15134, 16767, 17766, 19458, 22218, 22701, 22842, 24863, 26082, 26649, 28566, 29187, 33327, 33534, 34263, 39123, 42849, 45402, 49726, 53298, 58374, 66654, 68103, 68526, 74589, 78246, 79947, 85698, 87561, 99981, 117369, 128547, 136206, 149178, 159894, 174041, 175122, 199962, 204309, 223767, 234738, 239841, 257094, 262683, 299943, 348082, 385641, 408618, 447534, 479682, 522123, 525366, 599886, 612927, 671301, 771282, 788049, 899829, 1044246, 1225854, 1342602, 1566369, 1576098, 1799658, 1838781, 2013903, 2699487, 3132738, 3677562, 4027806, 4699107, 5398974, 5516343, 6041709, 9398214, 11032686, 12083418, 14097321, 18125127, 28194642, 36250254, 42291963, 84583926, 126875889, 253751778]

約数ペア:

[(1, 253751778), (2, 126875889), (3, 84583926), (6, 42291963), (7, 36250254), (9, 28194642), (14, 18125127), (18, 14097321), (21, 12083418), (23, 11032686), (27, 9398214), (42, 6041709), (46, 5516343), (47, 5398974), (54, 4699107), (63, 4027806), (69, 3677562), (81, 3132738), (94, 2699487), (126, 2013903), (138, 1838781), (141, 1799658), (161, 1576098), (162, 1566369), (189, 1342602), (207, 1225854), (243, 1044246), (282, 899829), (322, 788049), (329, 771282), (378, 671301), (414, 612927), (423, 599886), (483, 525366), (486, 522123), (529, 479682), (567, 447534), (621, 408618), (658, 385641), (729, 348082), (846, 299943), (966, 262683), (987, 257094), (1058, 239841), (1081, 234738), (1134, 223767), (1242, 204309), (1269, 199962), (1449, 175122), (1458, 174041), (1587, 159894), (1701, 149178), (1863, 136206), (1974, 128547), (2162, 117369), (2538, 99981), (2898, 87561), (2961, 85698), (3174, 79947), (3243, 78246), (3402, 74589), (3703, 68526), (3726, 68103), (3807, 66654), (4347, 58374), (4761, 53298), (5103, 49726), (5589, 45402), (5922, 42849), (6486, 39123), (7406, 34263), (7567, 33534), (7614, 33327), (8694, 29187), (8883, 28566), (9522, 26649), (9729, 26082), (10206, 24863), (11109, 22842), (11178, 22701), (11421, 22218), (13041, 19458), (14283, 17766), (15134, 16767)]