2013187725

素因数分解:

$3^2\times 5^2\times {\mathrm{8947501}}^1$

素因数の和:8947517

約数の個数: 18

約数和(自身を含む): 3605843306

約数和(自身を除く): 1592655581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 8947501, 26842503, 44737505, 80527509, 134212515, 223687525, 402637545, 671062575, 2013187725]

約数ペア:

[(1, 2013187725), (3, 671062575), (5, 402637545), (9, 223687525), (15, 134212515), (25, 80527509), (45, 44737505), (75, 26842503), (225, 8947501)]