28020291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4153}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 40476576

約数和(自身を除く): 12456285

約数列:

[1, 3, 13, 39, 173, 519, 2249, 4153, 6747, 12459, 53989, 161967, 718469, 2155407, 9340097, 28020291]

約数ペア:

[(1, 28020291), (3, 9340097), (13, 2155407), (39, 718469), (173, 161967), (519, 53989), (2249, 12459), (4153, 6747)]