1561563

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 2421120

約数和(自身を除く): 859557

約数列:

[1, 3, 9, 29, 31, 87, 93, 193, 261, 279, 579, 899, 1737, 2697, 5597, 5983, 8091, 16791, 17949, 50373, 53847, 173507, 520521, 1561563]

約数ペア:

[(1, 1561563), (3, 520521), (9, 173507), (29, 53847), (31, 50373), (87, 17949), (93, 16791), (193, 8091), (261, 5983), (279, 5597), (579, 2697), (899, 1737)]