64513017

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{1231}}^1$

素因数の和:1890

約数の個数: 20

約数和(自身を含む): 96598656

約数和(自身を除く): 32085639

約数列:

[1, 3, 9, 27, 81, 647, 1231, 1941, 3693, 5823, 11079, 17469, 33237, 52407, 99711, 796457, 2389371, 7168113, 21504339, 64513017]

約数ペア:

[(1, 64513017), (3, 21504339), (9, 7168113), (27, 2389371), (81, 796457), (647, 99711), (1231, 52407), (1941, 33237), (3693, 17469), (5823, 11079)]