638648163

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{4174171}}^1$

素因数の和:4174194

約数の個数: 12

約数和(自身を含む): 976756248

約数和(自身を除く): 338108085

約数列:

[1, 3, 9, 17, 51, 153, 4174171, 12522513, 37567539, 70960907, 212882721, 638648163]

約数ペア:

[(1, 638648163), (3, 212882721), (9, 70960907), (17, 37567539), (51, 12522513), (153, 4174171)]