16171245

素因数分解:

$3^4\times 5^1\times {\mathrm{39929}}^1$

素因数の和:39946

約数の個数: 20

約数和(自身を含む): 28989180

約数和(自身を除く): 12817935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39929, 119787, 199645, 359361, 598935, 1078083, 1796805, 3234249, 5390415, 16171245]

約数ペア:

[(1, 16171245), (3, 5390415), (5, 3234249), (9, 1796805), (15, 1078083), (27, 598935), (45, 359361), (81, 199645), (135, 119787), (405, 39929)]