21937725

素因数分解:

$3^2\times 5^2\times {\mathrm{97501}}^1$

素因数の和:97517

約数の個数: 18

約数和(自身を含む): 39293306

約数和(自身を除く): 17355581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97501, 292503, 487505, 877509, 1462515, 2437525, 4387545, 7312575, 21937725]

約数ペア:

[(1, 21937725), (3, 7312575), (5, 4387545), (9, 2437525), (15, 1462515), (25, 877509), (45, 487505), (75, 292503), (225, 97501)]