12800475

素因数分解:

$3^2\times 5^2\times {\mathrm{56891}}^1$

素因数の和:56907

約数の個数: 18

約数和(自身を含む): 22927476

約数和(自身を除く): 10127001

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 56891, 170673, 284455, 512019, 853365, 1422275, 2560095, 4266825, 12800475]

約数ペア:

[(1, 12800475), (3, 4266825), (5, 2560095), (9, 1422275), (15, 853365), (25, 512019), (45, 284455), (75, 170673), (225, 56891)]