201991888137

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1\times {\mathrm{798409}}^1$

素因数の和:798937

約数の個数: 24

約数和(自身を含む): 292218060000

約数和(自身を除く): 90226171863

約数列:

[1, 3, 13, 39, 169, 499, 507, 1497, 6487, 19461, 84331, 252993, 798409, 2395227, 10379317, 31137951, 134931121, 398406091, 404793363, 1195218273, 5179279183, 15537837549, 67330629379, 201991888137]

約数ペア:

[(1, 201991888137), (3, 67330629379), (13, 15537837549), (39, 5179279183), (169, 1195218273), (499, 404793363), (507, 398406091), (1497, 134931121), (6487, 31137951), (19461, 10379317), (84331, 2395227), (252993, 798409)]