1090985

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 1569096

約数和(自身を除く): 478111

約数列:

[1, 5, 7, 35, 49, 61, 73, 245, 305, 365, 427, 511, 2135, 2555, 2989, 3577, 4453, 14945, 17885, 22265, 31171, 155855, 218197, 1090985]

約数ペア:

[(1, 1090985), (5, 218197), (7, 155855), (35, 31171), (49, 22265), (61, 17885), (73, 14945), (245, 4453), (305, 3577), (365, 2989), (427, 2555), (511, 2135)]