28719015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11329}}^1$

素因数の和:11363

約数の個数: 24

約数和(自身を含む): 49761360

約数和(自身を除く): 21042345

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 11329, 33987, 56645, 147277, 169935, 441831, 736385, 1914601, 2209155, 5743803, 9573005, 28719015]

約数ペア:

[(1, 28719015), (3, 9573005), (5, 5743803), (13, 2209155), (15, 1914601), (39, 736385), (65, 441831), (169, 169935), (195, 147277), (507, 56645), (845, 33987), (2535, 11329)]