205380279

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{195043}}^1$

素因数の和:195068

約数の個数: 20

約数和(自身を含む): 330404536

約数和(自身を除く): 125024257

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 195043, 585129, 1755387, 2535559, 5266161, 7606677, 15798483, 22820031, 68460093, 205380279]

約数ペア:

[(1, 205380279), (3, 68460093), (9, 22820031), (13, 15798483), (27, 7606677), (39, 5266161), (81, 2535559), (117, 1755387), (351, 585129), (1053, 195043)]