1644164811

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 2488669920

約数和(自身を除く): 844505109

約数列:

[1, 3, 9, 27, 81, 137, 229, 411, 647, 687, 1233, 1941, 2061, 3699, 5823, 6183, 11097, 17469, 18549, 31373, 52407, 88639, 94119, 148163, 265917, 282357, 444489, 797751, 847071, 1333467, 2393253, 2541213, 4000401, 7179759, 12001203, 20298331, 60894993, 182684979, 548054937, 1644164811]

約数ペア:

[(1, 1644164811), (3, 548054937), (9, 182684979), (27, 60894993), (81, 20298331), (137, 12001203), (229, 7179759), (411, 4000401), (647, 2541213), (687, 2393253), (1233, 1333467), (1941, 847071), (2061, 797751), (3699, 444489), (5823, 282357), (6183, 265917), (11097, 148163), (17469, 94119), (18549, 88639), (31373, 52407)]