12991641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1861}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 18768960

約数和(自身を除く): 5777319

約数列:

[1, 3, 13, 39, 179, 537, 1861, 2327, 5583, 6981, 24193, 72579, 333119, 999357, 4330547, 12991641]

約数ペア:

[(1, 12991641), (3, 4330547), (13, 999357), (39, 333119), (179, 72579), (537, 24193), (1861, 6981), (2327, 5583)]