2078978031

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{70793}}^1$

素因数の和:71063

約数の個数: 24

約数和(自身を含む): 3246896016

約数和(自身を除く): 1167917985

約数列:

[1, 3, 9, 13, 39, 117, 251, 753, 2259, 3263, 9789, 29367, 70793, 212379, 637137, 920309, 2760927, 8282781, 17769043, 53307129, 159921387, 230997559, 692992677, 2078978031]

約数ペア:

[(1, 2078978031), (3, 692992677), (9, 230997559), (13, 159921387), (39, 53307129), (117, 17769043), (251, 8282781), (753, 2760927), (2259, 920309), (3263, 637137), (9789, 212379), (29367, 70793)]