89100090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{990001}}^1$

素因数の和:990014

約数の個数: 24

約数和(自身を含む): 231660468

約数和(自身を除く): 142560378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 990001, 1980002, 2970003, 4950005, 5940006, 8910009, 9900010, 14850015, 17820018, 29700030, 44550045, 89100090]

約数ペア:

[(1, 89100090), (2, 44550045), (3, 29700030), (5, 17820018), (6, 14850015), (9, 9900010), (10, 8910009), (15, 5940006), (18, 4950005), (30, 2970003), (45, 1980002), (90, 990001)]