51389445

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 84651264

約数和(自身を除く): 33261819

約数列:

[1, 3, 5, 15, 71, 73, 213, 219, 355, 365, 661, 1065, 1095, 1983, 3305, 5183, 9915, 15549, 25915, 46931, 48253, 77745, 140793, 144759, 234655, 241265, 703965, 723795, 3425963, 10277889, 17129815, 51389445]

約数ペア:

[(1, 51389445), (3, 17129815), (5, 10277889), (15, 3425963), (71, 723795), (73, 703965), (213, 241265), (219, 234655), (355, 144759), (365, 140793), (661, 77745), (1065, 48253), (1095, 46931), (1983, 25915), (3305, 15549), (5183, 9915)]