561951

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 897120

約数和(自身を除く): 335169

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1601, 4803, 14409, 20813, 43227, 62439, 187317, 561951]

約数ペア:

[(1, 561951), (3, 187317), (9, 62439), (13, 43227), (27, 20813), (39, 14409), (117, 4803), (351, 1601)]