287260017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{79861}}^1$

素因数の和:79984

約数の個数: 16

約数和(自身を含む): 421671360

約数和(自身を除く): 134411343

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 79861, 239583, 878471, 2635413, 8704849, 26114547, 95753339, 287260017]

約数ペア:

[(1, 287260017), (3, 95753339), (11, 26114547), (33, 8704849), (109, 2635413), (327, 878471), (1199, 239583), (3597, 79861)]