31311117

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{6337}}^1$

素因数の和:6410

約数の個数: 20

約数和(自身を含む): 47547676

約数和(自身を除く): 16236559

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 6337, 19011, 57033, 171099, 386557, 513297, 1159671, 3479013, 10437039, 31311117]

約数ペア:

[(1, 31311117), (3, 10437039), (9, 3479013), (27, 1159671), (61, 513297), (81, 386557), (183, 171099), (549, 57033), (1647, 19011), (4941, 6337)]