12631545

素因数分解:

$3^4\times 5^1\times {\mathrm{31189}}^1$

素因数の和:31206

約数の個数: 20

約数和(自身を含む): 22643940

約数和(自身を除く): 10012395

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31189, 93567, 155945, 280701, 467835, 842103, 1403505, 2526309, 4210515, 12631545]

約数ペア:

[(1, 12631545), (3, 4210515), (5, 2526309), (9, 1403505), (15, 842103), (27, 467835), (45, 280701), (81, 155945), (135, 93567), (405, 31189)]