61878978

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 166256640

約数和(自身を除く): 104377662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 47, 54, 63, 81, 86, 94, 126, 129, 141, 162, 189, 243, 258, 282, 301, 329, 378, 387, 423, 486, 567, 602, 658, 729, 774, 846, 903, 987, 1134, 1161, 1269, 1458, 1701, 1806, 1974, 2021, 2187, 2322, 2538, 2709, 2961, 3402, 3483, 3807, 4042, 4374, 5103, 5418, 5922, 6063, 6966, 7614, 8127, 8883, 10206, 10449, 11421, 12126, 14147, 15309, 16254, 17766, 18189, 20898, 22842, 24381, 26649, 28294, 30618, 31347, 34263, 36378, 42441, 48762, 53298, 54567, 62694, 68526, 73143, 79947, 84882, 94041, 102789, 109134, 127323, 146286, 159894, 163701, 188082, 205578, 219429, 239841, 254646, 327402, 381969, 438858, 479682, 491103, 658287, 719523, 763938, 982206, 1145907, 1316574, 1439046, 1473309, 2291814, 2946618, 3437721, 4419927, 6875442, 8839854, 10313163, 20626326, 30939489, 61878978]

約数ペア:

[(1, 61878978), (2, 30939489), (3, 20626326), (6, 10313163), (7, 8839854), (9, 6875442), (14, 4419927), (18, 3437721), (21, 2946618), (27, 2291814), (42, 1473309), (43, 1439046), (47, 1316574), (54, 1145907), (63, 982206), (81, 763938), (86, 719523), (94, 658287), (126, 491103), (129, 479682), (141, 438858), (162, 381969), (189, 327402), (243, 254646), (258, 239841), (282, 219429), (301, 205578), (329, 188082), (378, 163701), (387, 159894), (423, 146286), (486, 127323), (567, 109134), (602, 102789), (658, 94041), (729, 84882), (774, 79947), (846, 73143), (903, 68526), (987, 62694), (1134, 54567), (1161, 53298), (1269, 48762), (1458, 42441), (1701, 36378), (1806, 34263), (1974, 31347), (2021, 30618), (2187, 28294), (2322, 26649), (2538, 24381), (2709, 22842), (2961, 20898), (3402, 18189), (3483, 17766), (3807, 16254), (4042, 15309), (4374, 14147), (5103, 12126), (5418, 11421), (5922, 10449), (6063, 10206), (6966, 8883), (7614, 8127)]