64407555

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 116595600

約数和(自身を除く): 52188045

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 981, 1459, 1635, 2943, 4377, 4905, 7295, 8829, 13131, 14715, 21885, 39393, 44145, 65655, 118179, 159031, 196965, 477093, 590895, 795155, 1431279, 2385465, 4293837, 7156395, 12881511, 21469185, 64407555]

約数ペア:

[(1, 64407555), (3, 21469185), (5, 12881511), (9, 7156395), (15, 4293837), (27, 2385465), (45, 1431279), (81, 795155), (109, 590895), (135, 477093), (327, 196965), (405, 159031), (545, 118179), (981, 65655), (1459, 44145), (1635, 39393), (2943, 21885), (4377, 14715), (4905, 13131), (7295, 8829)]