4278591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 6589440

約数和(自身を除く): 2310849

約数列:

[1, 3, 9, 19, 57, 131, 171, 191, 393, 573, 1179, 1719, 2489, 3629, 7467, 10887, 22401, 25021, 32661, 75063, 225189, 475399, 1426197, 4278591]

約数ペア:

[(1, 4278591), (3, 1426197), (9, 475399), (19, 225189), (57, 75063), (131, 32661), (171, 25021), (191, 22401), (393, 10887), (573, 7467), (1179, 3629), (1719, 2489)]