9090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1$

素因数の和:114

約数の個数: 24

約数和(自身を含む): 23868

約数和(自身を除く): 14778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 3030, 4545, 9090]

約数ペア:

[(1, 9090), (2, 4545), (3, 3030), (5, 1818), (6, 1515), (9, 1010), (10, 909), (15, 606), (18, 505), (30, 303), (45, 202), (90, 101)]