30393819

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 47139840

約数和(自身を除く): 16746021

約数列:

[1, 3, 9, 27, 43, 47, 129, 141, 387, 423, 557, 1161, 1269, 1671, 2021, 5013, 6063, 15039, 18189, 23951, 26179, 54567, 71853, 78537, 215559, 235611, 646677, 706833, 1125697, 3377091, 10131273, 30393819]

約数ペア:

[(1, 30393819), (3, 10131273), (9, 3377091), (27, 1125697), (43, 706833), (47, 646677), (129, 235611), (141, 215559), (387, 78537), (423, 71853), (557, 54567), (1161, 26179), (1269, 23951), (1671, 18189), (2021, 15039), (5013, 6063)]