42805215

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3947}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 74522448

約数和(自身を除く): 31717233

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 3615, 3947, 10845, 11841, 19735, 35523, 59205, 177615, 951227, 2853681, 4756135, 8561043, 14268405, 42805215]

約数ペア:

[(1, 42805215), (3, 14268405), (5, 8561043), (9, 4756135), (15, 2853681), (45, 951227), (241, 177615), (723, 59205), (1205, 35523), (2169, 19735), (3615, 11841), (3947, 10845)]