13720915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 18437328

約数和(自身を除く): 4716413

約数列:

[1, 5, 13, 29, 65, 145, 251, 377, 841, 1255, 1885, 3263, 4205, 7279, 10933, 16315, 36395, 54665, 94627, 211091, 473135, 1055455, 2744183, 13720915]

約数ペア:

[(1, 13720915), (5, 2744183), (13, 1055455), (29, 473135), (65, 211091), (145, 94627), (251, 54665), (377, 36395), (841, 16315), (1255, 10933), (1885, 7279), (3263, 4205)]