12505563

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 21381120

約数和(自身を除く): 8875557

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 521, 889, 1143, 1563, 2667, 3429, 3647, 4689, 8001, 10941, 14067, 24003, 32823, 66167, 98469, 198501, 463169, 595503, 1389507, 1786509, 4168521, 12505563]

約数ペア:

[(1, 12505563), (3, 4168521), (7, 1786509), (9, 1389507), (21, 595503), (27, 463169), (63, 198501), (127, 98469), (189, 66167), (381, 32823), (521, 24003), (889, 14067), (1143, 10941), (1563, 8001), (2667, 4689), (3429, 3647)]