487329921

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{320401}}^1$

素因数の和:320433

約数の個数: 18

約数和(自身を含む): 762236358

約数和(自身を除く): 274906437

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 320401, 961203, 2883609, 4165213, 12495639, 37486917, 54147769, 162443307, 487329921]

約数ペア:

[(1, 487329921), (3, 162443307), (9, 54147769), (13, 37486917), (39, 12495639), (117, 4165213), (169, 2883609), (507, 961203), (1521, 320401)]