12689445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{36781}}^1$

素因数の和:36812

約数の個数: 16

約数和(自身を含む): 21186432

約数和(自身を除く): 8496987

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 36781, 110343, 183905, 551715, 845963, 2537889, 4229815, 12689445]

約数ペア:

[(1, 12689445), (3, 4229815), (5, 2537889), (15, 845963), (23, 551715), (69, 183905), (115, 110343), (345, 36781)]