2227725

素因数分解:

$3^2\times 5^2\times {\mathrm{9901}}^1$

素因数の和:9917

約数の個数: 18

約数和(自身を含む): 3990506

約数和(自身を除く): 1762781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9901, 29703, 49505, 89109, 148515, 247525, 445545, 742575, 2227725]

約数ペア:

[(1, 2227725), (3, 742575), (5, 445545), (9, 247525), (15, 148515), (25, 89109), (45, 49505), (75, 29703), (225, 9901)]