210639359

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{16561}}^1$

素因数の和:16670

約数の個数: 16

約数和(自身を含む): 254392320

約数和(自身を除く): 43752961

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 16561, 115927, 380903, 1308319, 2666321, 9158233, 30091337, 210639359]

約数ペア:

[(1, 210639359), (7, 30091337), (23, 9158233), (79, 2666321), (161, 1308319), (553, 380903), (1817, 115927), (12719, 16561)]