72160425

素因数分解:

$3^2\times 5^2\times {\mathrm{320713}}^1$

素因数の和:320729

約数の個数: 18

約数和(自身を含む): 129247742

約数和(自身を除く): 57087317

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 320713, 962139, 1603565, 2886417, 4810695, 8017825, 14432085, 24053475, 72160425]

約数ペア:

[(1, 72160425), (3, 24053475), (5, 14432085), (9, 8017825), (15, 4810695), (25, 2886417), (45, 1603565), (75, 962139), (225, 320713)]