289293831

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{1129}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 425187360

約数和(自身を除く): 135893529

約数列:

[1, 3, 9, 71, 213, 401, 639, 1129, 1203, 3387, 3609, 10161, 28471, 80159, 85413, 240477, 256239, 452729, 721431, 1358187, 4074561, 32143759, 96431277, 289293831]

約数ペア:

[(1, 289293831), (3, 96431277), (9, 32143759), (71, 4074561), (213, 1358187), (401, 721431), (639, 452729), (1129, 256239), (1203, 240477), (3387, 85413), (3609, 80159), (10161, 28471)]