291234261

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{71963}}^1$

素因数の和:72056

約数の個数: 16

約数和(自身を含む): 414512640

約数和(自身を除く): 123278379

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 71963, 215889, 1367297, 4101891, 5109373, 15328119, 97078087, 291234261]

約数ペア:

[(1, 291234261), (3, 97078087), (19, 15328119), (57, 5109373), (71, 4101891), (213, 1367297), (1349, 215889), (4047, 71963)]