12684195

素因数分解:

$3^4\times 5^1\times {\mathrm{31319}}^1$

素因数の和:31336

約数の個数: 20

約数和(自身を含む): 22738320

約数和(自身を除く): 10054125

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31319, 93957, 156595, 281871, 469785, 845613, 1409355, 2536839, 4228065, 12684195]

約数ペア:

[(1, 12684195), (3, 4228065), (5, 2536839), (9, 1409355), (15, 845613), (27, 469785), (45, 281871), (81, 156595), (135, 93957), (405, 31319)]