885411

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 20

約数和(自身を含む): 1402632

約数和(自身を除く): 517221

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 643, 1377, 1929, 5787, 10931, 17361, 32793, 52083, 98379, 295137, 885411]

約数ペア:

[(1, 885411), (3, 295137), (9, 98379), (17, 52083), (27, 32793), (51, 17361), (81, 10931), (153, 5787), (459, 1929), (643, 1377)]