30520815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 52871616

約数和(自身を除く): 22350801

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 281, 557, 843, 1405, 1671, 2785, 3653, 4215, 7241, 8355, 10959, 18265, 21723, 36205, 54795, 108615, 156517, 469551, 782585, 2034721, 2347755, 6104163, 10173605, 30520815]

約数ペア:

[(1, 30520815), (3, 10173605), (5, 6104163), (13, 2347755), (15, 2034721), (39, 782585), (65, 469551), (195, 156517), (281, 108615), (557, 54795), (843, 36205), (1405, 21723), (1671, 18265), (2785, 10959), (3653, 8355), (4215, 7241)]