87781806

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 234270720

約数和(自身を除く): 146488914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 61, 63, 81, 94, 122, 126, 141, 162, 183, 189, 243, 282, 329, 366, 378, 423, 427, 486, 549, 567, 658, 729, 846, 854, 987, 1098, 1134, 1269, 1281, 1458, 1647, 1701, 1974, 2187, 2538, 2562, 2867, 2961, 3294, 3402, 3807, 3843, 4374, 4941, 5103, 5734, 5922, 7614, 7686, 8601, 8883, 9882, 10206, 11421, 11529, 14823, 15309, 17202, 17766, 20069, 22842, 23058, 25803, 26649, 29646, 30618, 34263, 34587, 40138, 44469, 51606, 53298, 60207, 68526, 69174, 77409, 79947, 88938, 102789, 103761, 120414, 133407, 154818, 159894, 180621, 205578, 207522, 232227, 239841, 266814, 311283, 361242, 464454, 479682, 541863, 622566, 696681, 719523, 933849, 1083726, 1393362, 1439046, 1625589, 1867698, 2090043, 3251178, 4180086, 4876767, 6270129, 9753534, 12540258, 14630301, 29260602, 43890903, 87781806]

約数ペア:

[(1, 87781806), (2, 43890903), (3, 29260602), (6, 14630301), (7, 12540258), (9, 9753534), (14, 6270129), (18, 4876767), (21, 4180086), (27, 3251178), (42, 2090043), (47, 1867698), (54, 1625589), (61, 1439046), (63, 1393362), (81, 1083726), (94, 933849), (122, 719523), (126, 696681), (141, 622566), (162, 541863), (183, 479682), (189, 464454), (243, 361242), (282, 311283), (329, 266814), (366, 239841), (378, 232227), (423, 207522), (427, 205578), (486, 180621), (549, 159894), (567, 154818), (658, 133407), (729, 120414), (846, 103761), (854, 102789), (987, 88938), (1098, 79947), (1134, 77409), (1269, 69174), (1281, 68526), (1458, 60207), (1647, 53298), (1701, 51606), (1974, 44469), (2187, 40138), (2538, 34587), (2562, 34263), (2867, 30618), (2961, 29646), (3294, 26649), (3402, 25803), (3807, 23058), (3843, 22842), (4374, 20069), (4941, 17766), (5103, 17202), (5734, 15309), (5922, 14823), (7614, 11529), (7686, 11421), (8601, 10206), (8883, 9882)]