68559915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^2$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 113765040

約数和(自身を除く): 45205125

約数列:

[1, 3, 5, 15, 29, 87, 145, 397, 435, 1191, 1985, 5955, 11513, 34539, 57565, 157609, 172695, 472827, 788045, 2364135, 4570661, 13711983, 22853305, 68559915]

約数ペア:

[(1, 68559915), (3, 22853305), (5, 13711983), (15, 4570661), (29, 2364135), (87, 788045), (145, 472827), (397, 172695), (435, 157609), (1191, 57565), (1985, 34539), (5955, 11513)]