81909810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{910109}}^1$

素因数の和:910122

約数の個数: 24

約数和(自身を含む): 212965740

約数和(自身を除く): 131055930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 910109, 1820218, 2730327, 4550545, 5460654, 8190981, 9101090, 13651635, 16381962, 27303270, 40954905, 81909810]

約数ペア:

[(1, 81909810), (2, 40954905), (3, 27303270), (5, 16381962), (6, 13651635), (9, 9101090), (10, 8190981), (15, 5460654), (18, 4550545), (30, 2730327), (45, 1820218), (90, 910109)]