215304621

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{37013}}^1$

素因数の和:37300

約数の個数: 16

約数和(自身を含む): 329276544

約数和(自身を除く): 113971923

約数列:

[1, 3, 7, 21, 277, 831, 1939, 5817, 37013, 111039, 259091, 777273, 10252601, 30757803, 71768207, 215304621]

約数ペア:

[(1, 215304621), (3, 71768207), (7, 30757803), (21, 10252601), (277, 777273), (831, 259091), (1939, 111039), (5817, 37013)]