245194815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{380147}}^1$

素因数の和:380198

約数の個数: 16

約数和(自身を含む): 401436288

約数和(自身を除く): 156241473

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 380147, 1140441, 1900735, 5702205, 16346321, 49038963, 81731605, 245194815]

約数ペア:

[(1, 245194815), (3, 81731605), (5, 49038963), (15, 16346321), (43, 5702205), (129, 1900735), (215, 1140441), (645, 380147)]