57105139

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 72120048

約数和(自身を除く): 15014909

約数列:

[1, 7, 13, 49, 91, 157, 571, 637, 1099, 2041, 3997, 7423, 7693, 14287, 27979, 51961, 89647, 100009, 363727, 627529, 1165411, 4392703, 8157877, 57105139]

約数ペア:

[(1, 57105139), (7, 8157877), (13, 4392703), (49, 1165411), (91, 627529), (157, 363727), (571, 100009), (637, 89647), (1099, 51961), (2041, 27979), (3997, 14287), (7423, 7693)]