81267108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{520943}}^1$

素因数の和:520963

約数の個数: 24

約数和(自身を含む): 204210048

約数和(自身を除く): 122942940

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 520943, 1041886, 1562829, 2083772, 3125658, 6251316, 6772259, 13544518, 20316777, 27089036, 40633554, 81267108]

約数ペア:

[(1, 81267108), (2, 40633554), (3, 27089036), (4, 20316777), (6, 13544518), (12, 6772259), (13, 6251316), (26, 3125658), (39, 2083772), (52, 1562829), (78, 1041886), (156, 520943)]