15977295

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13675185

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 345, 359, 387, 645, 989, 1035, 1077, 1795, 1935, 2967, 3231, 4945, 5385, 8257, 8901, 14835, 15437, 16155, 24771, 41285, 44505, 46311, 74313, 77185, 123855, 138933, 231555, 355051, 371565, 694665, 1065153, 1775255, 3195459, 5325765, 15977295]

約数ペア:

[(1, 15977295), (3, 5325765), (5, 3195459), (9, 1775255), (15, 1065153), (23, 694665), (43, 371565), (45, 355051), (69, 231555), (115, 138933), (129, 123855), (207, 77185), (215, 74313), (345, 46311), (359, 44505), (387, 41285), (645, 24771), (989, 16155), (1035, 15437), (1077, 14835), (1795, 8901), (1935, 8257), (2967, 5385), (3231, 4945)]