172901961

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{3371}}^1$

素因数の和:3557

約数の個数: 24

約数和(自身を含む): 257755680

約数和(自身を除く): 84853719

約数列:

[1, 3, 9, 41, 123, 139, 369, 417, 1251, 3371, 5699, 10113, 17097, 30339, 51291, 138211, 414633, 468569, 1243899, 1405707, 4217121, 19211329, 57633987, 172901961]

約数ペア:

[(1, 172901961), (3, 57633987), (9, 19211329), (41, 4217121), (123, 1405707), (139, 1243899), (369, 468569), (417, 414633), (1251, 138211), (3371, 51291), (5699, 30339), (10113, 17097)]