31620745

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 42901056

約数和(自身を除く): 11280311

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 1627, 3887, 8135, 19435, 21151, 37421, 105755, 187105, 274963, 486473, 1374815, 2432365, 6324149, 31620745]

約数ペア:

[(1, 31620745), (5, 6324149), (13, 2432365), (23, 1374815), (65, 486473), (115, 274963), (169, 187105), (299, 105755), (845, 37421), (1495, 21151), (1627, 19435), (3887, 8135)]