66921561

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 114476544

約数和(自身を除く): 47554983

約数列:

[1, 3, 7, 9, 21, 47, 63, 97, 141, 233, 291, 329, 423, 679, 699, 873, 987, 1631, 2037, 2097, 2961, 4559, 4893, 6111, 10951, 13677, 14679, 22601, 31913, 32853, 41031, 67803, 76657, 95739, 98559, 158207, 203409, 229971, 287217, 474621, 689913, 1062247, 1423863, 3186741, 7435729, 9560223, 22307187, 66921561]

約数ペア:

[(1, 66921561), (3, 22307187), (7, 9560223), (9, 7435729), (21, 3186741), (47, 1423863), (63, 1062247), (97, 689913), (141, 474621), (233, 287217), (291, 229971), (329, 203409), (423, 158207), (679, 98559), (699, 95739), (873, 76657), (987, 67803), (1631, 41031), (2037, 32853), (2097, 31913), (2961, 22601), (4559, 14679), (4893, 13677), (6111, 10951)]