2173725

素因数分解:

$3^2\times 5^2\times {\mathrm{9661}}^1$

素因数の和:9677

約数の個数: 18

約数和(自身を含む): 3893786

約数和(自身を除く): 1720061

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9661, 28983, 48305, 86949, 144915, 241525, 434745, 724575, 2173725]

約数ペア:

[(1, 2173725), (3, 724575), (5, 434745), (9, 241525), (15, 144915), (25, 86949), (45, 48305), (75, 28983), (225, 9661)]