18528399

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15959}}^1$

素因数の和:16011

約数の個数: 16

約数和(自身を含む): 28089600

約数和(自身を除く): 9561201

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15959, 47877, 143631, 430893, 686237, 2058711, 6176133, 18528399]

約数ペア:

[(1, 18528399), (3, 6176133), (9, 2058711), (27, 686237), (43, 430893), (129, 143631), (387, 47877), (1161, 15959)]