25421121

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 41980224

約数和(自身を除く): 16559103

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 103, 277, 297, 309, 831, 891, 927, 1133, 2493, 2781, 3047, 3399, 7479, 8343, 9141, 10197, 22437, 27423, 28531, 30591, 82269, 85593, 91773, 246807, 256779, 313841, 770337, 941523, 2311011, 2824569, 8473707, 25421121]

約数ペア:

[(1, 25421121), (3, 8473707), (9, 2824569), (11, 2311011), (27, 941523), (33, 770337), (81, 313841), (99, 256779), (103, 246807), (277, 91773), (297, 85593), (309, 82269), (831, 30591), (891, 28531), (927, 27423), (1133, 22437), (2493, 10197), (2781, 9141), (3047, 8343), (3399, 7479)]