390825

素因数分解:

$3^4\times 5^2\times {\mathrm{193}}^1$

素因数の和:215

約数の個数: 30

約数和(自身を含む): 727694

約数和(自身を除く): 336869

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 193, 225, 405, 579, 675, 965, 1737, 2025, 2895, 4825, 5211, 8685, 14475, 15633, 26055, 43425, 78165, 130275, 390825]

約数ペア:

[(1, 390825), (3, 130275), (5, 78165), (9, 43425), (15, 26055), (25, 15633), (27, 14475), (45, 8685), (75, 5211), (81, 4825), (135, 2895), (193, 2025), (225, 1737), (405, 965), (579, 675)]