725201721

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{205033}}^1$

素因数の和:205173

約数の個数: 16

約数和(自身を含む): 1082579520

約数和(自身を除く): 357377799

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 205033, 615099, 1845297, 5535891, 26859323, 80577969, 241733907, 725201721]

約数ペア:

[(1, 725201721), (3, 241733907), (9, 80577969), (27, 26859323), (131, 5535891), (393, 1845297), (1179, 615099), (3537, 205033)]