643059

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:496

約数の個数: 20

約数和(自身を含む): 1019304

約数和(自身を除く): 376245

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 467, 1377, 1401, 4203, 7939, 12609, 23817, 37827, 71451, 214353, 643059]

約数ペア:

[(1, 643059), (3, 214353), (9, 71451), (17, 37827), (27, 23817), (51, 12609), (81, 7939), (153, 4203), (459, 1401), (467, 1377)]