217295571

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{53693}}^1$

素因数の和:53786

約数の個数: 16

約数和(自身を含む): 309277440

約数和(自身を除く): 91981869

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 53693, 161079, 1020167, 3060501, 3812203, 11436609, 72431857, 217295571]

約数ペア:

[(1, 217295571), (3, 72431857), (19, 11436609), (57, 3812203), (71, 3060501), (213, 1020167), (1349, 161079), (4047, 53693)]