1291225545

素因数分解:

$3^2\times 5^1\times {\mathrm{28693901}}^1$

素因数の和:28693912

約数の個数: 12

約数和(自身を含む): 2238124356

約数和(自身を除く): 946898811

約数列:

[1, 3, 5, 9, 15, 45, 28693901, 86081703, 143469505, 258245109, 430408515, 1291225545]

約数ペア:

[(1, 1291225545), (3, 430408515), (5, 258245109), (9, 143469505), (15, 86081703), (45, 28693901)]