20191155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79181}}^1$

素因数の和:79206

約数の個数: 16

約数和(自身を含む): 34206624

約数和(自身を除く): 14015469

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79181, 237543, 395905, 1187715, 1346077, 4038231, 6730385, 20191155]

約数ペア:

[(1, 20191155), (3, 6730385), (5, 4038231), (15, 1346077), (17, 1187715), (51, 395905), (85, 237543), (255, 79181)]