71072781

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 103686336

約数和(自身を除く): 32613555

約数列:

[1, 3, 13, 39, 103, 169, 309, 507, 1339, 1361, 4017, 4083, 17407, 17693, 52221, 53079, 140183, 230009, 420549, 690027, 1822379, 5467137, 23690927, 71072781]

約数ペア:

[(1, 71072781), (3, 23690927), (13, 5467137), (39, 1822379), (103, 690027), (169, 420549), (309, 230009), (507, 140183), (1339, 53079), (1361, 52221), (4017, 17693), (4083, 17407)]