81569845

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 117946368

約数和(自身を除く): 36376523

約数列:

[1, 5, 7, 23, 35, 107, 115, 161, 535, 749, 805, 947, 2461, 3745, 4735, 6629, 12305, 17227, 21781, 33145, 86135, 101329, 108905, 152467, 506645, 709303, 762335, 2330567, 3546515, 11652835, 16313969, 81569845]

約数ペア:

[(1, 81569845), (5, 16313969), (7, 11652835), (23, 3546515), (35, 2330567), (107, 762335), (115, 709303), (161, 506645), (535, 152467), (749, 108905), (805, 101329), (947, 86135), (2461, 33145), (3745, 21781), (4735, 17227), (6629, 12305)]