204553989

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{1663}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 301117440

約数和(自身を除く): 96563451

約数列:

[1, 3, 9, 79, 173, 237, 519, 711, 1557, 1663, 4989, 13667, 14967, 41001, 123003, 131377, 287699, 394131, 863097, 1182393, 2589291, 22728221, 68184663, 204553989]

約数ペア:

[(1, 204553989), (3, 68184663), (9, 22728221), (79, 2589291), (173, 1182393), (237, 863097), (519, 394131), (711, 287699), (1557, 131377), (1663, 123003), (4989, 41001), (13667, 14967)]