813501

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 1343160

約数和(自身を除く): 529659

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 409, 663, 1227, 1989, 3681, 5317, 6953, 15951, 20859, 47853, 62577, 90389, 271167, 813501]

約数ペア:

[(1, 813501), (3, 271167), (9, 90389), (13, 62577), (17, 47853), (39, 20859), (51, 15951), (117, 6953), (153, 5317), (221, 3681), (409, 1989), (663, 1227)]