39215631

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20521}}^1$

素因数の和:20551

約数の個数: 24

約数和(自身を含む): 65506224

約数和(自身を除く): 26290593

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20521, 61563, 143647, 266773, 430941, 800319, 1005529, 1867411, 3016587, 5602233, 13071877, 39215631]

約数ペア:

[(1, 39215631), (3, 13071877), (7, 5602233), (13, 3016587), (21, 1867411), (39, 1005529), (49, 800319), (91, 430941), (147, 266773), (273, 143647), (637, 61563), (1911, 20521)]