3220155

素因数分解:

$3^4\times 5^1\times {\mathrm{7951}}^1$

素因数の和:7968

約数の個数: 20

約数和(自身を含む): 5773152

約数和(自身を除く): 2552997

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7951, 23853, 39755, 71559, 119265, 214677, 357795, 644031, 1073385, 3220155]

約数ペア:

[(1, 3220155), (3, 1073385), (5, 644031), (9, 357795), (15, 214677), (27, 119265), (45, 71559), (81, 39755), (135, 23853), (405, 7951)]