2179791

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1583}}^1$

素因数の和:1612

約数の個数: 20

約数和(自身を含む): 3449952

約数和(自身を除く): 1270161

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1583, 4749, 14247, 26911, 42741, 80733, 128223, 242199, 726597, 2179791]

約数ペア:

[(1, 2179791), (3, 726597), (9, 242199), (17, 128223), (27, 80733), (51, 42741), (81, 26911), (153, 14247), (459, 4749), (1377, 1583)]