2018558781

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{81647}}^1$

素因数の和:81761

約数の個数: 24

約数和(自身を含む): 3031426944

約数和(自身を除く): 1012868163

約数列:

[1, 3, 9, 41, 67, 123, 201, 369, 603, 2747, 8241, 24723, 81647, 244941, 734823, 3347527, 5470349, 10042581, 16411047, 30127743, 49233141, 224284309, 672852927, 2018558781]

約数ペア:

[(1, 2018558781), (3, 672852927), (9, 224284309), (41, 49233141), (67, 30127743), (123, 16411047), (201, 10042581), (369, 5470349), (603, 3347527), (2747, 734823), (8241, 244941), (24723, 81647)]