68987115

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5657}}^1$

素因数の和:5939

約数の個数: 24

約数和(自身を含む): 120040128

約数和(自身を除く): 51053013

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 5657, 12195, 16971, 28285, 50913, 84855, 254565, 1533047, 4599141, 7665235, 13797423, 22995705, 68987115]

約数ペア:

[(1, 68987115), (3, 22995705), (5, 13797423), (9, 7665235), (15, 4599141), (45, 1533047), (271, 254565), (813, 84855), (1355, 50913), (2439, 28285), (4065, 16971), (5657, 12195)]