81621063

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1583}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 125281728

約数和(自身を除く): 43660665

約数列:

[1, 3, 9, 17, 51, 153, 337, 1011, 1583, 3033, 4749, 5729, 14247, 17187, 26911, 51561, 80733, 242199, 533471, 1600413, 4801239, 9069007, 27207021, 81621063]

約数ペア:

[(1, 81621063), (3, 27207021), (9, 9069007), (17, 4801239), (51, 1600413), (153, 533471), (337, 242199), (1011, 80733), (1583, 51561), (3033, 26911), (4749, 17187), (5729, 14247)]