81475745

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{7417}}^1$

素因数の和:7461

約数の個数: 16

約数和(自身を含む): 105929040

約数和(自身を除く): 24453295

約数列:

[1, 5, 13, 65, 169, 845, 2197, 7417, 10985, 37085, 96421, 482105, 1253473, 6267365, 16295149, 81475745]

約数ペア:

[(1, 81475745), (5, 16295149), (13, 6267365), (65, 1253473), (169, 482105), (845, 96421), (2197, 37085), (7417, 10985)]