81999090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{911101}}^1$

素因数の和:911114

約数の個数: 24

約数和(自身を含む): 213197868

約数和(自身を除く): 131198778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 911101, 1822202, 2733303, 4555505, 5466606, 8199909, 9111010, 13666515, 16399818, 27333030, 40999545, 81999090]

約数ペア:

[(1, 81999090), (2, 40999545), (3, 27333030), (5, 16399818), (6, 13666515), (9, 9111010), (10, 8199909), (15, 5466606), (18, 4555505), (30, 2733303), (45, 1822202), (90, 911101)]