7900245

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^2$

素因数の和:849

約数の個数: 18

約数和(自身を含む): 13726518

約数和(自身を除く): 5826273

約数列:

[1, 3, 5, 9, 15, 45, 419, 1257, 2095, 3771, 6285, 18855, 175561, 526683, 877805, 1580049, 2633415, 7900245]

約数ペア:

[(1, 7900245), (3, 2633415), (5, 1580049), (9, 877805), (15, 526683), (45, 175561), (419, 18855), (1257, 6285), (2095, 3771)]