218713347

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{8263}}^1$

素因数の和:8459

約数の個数: 24

約数和(自身を含む): 336477024

約数和(自身を除く): 117763677

約数列:

[1, 3, 9, 17, 51, 153, 173, 519, 1557, 2941, 8263, 8823, 24789, 26469, 74367, 140471, 421413, 1264239, 1429499, 4288497, 12865491, 24301483, 72904449, 218713347]

約数ペア:

[(1, 218713347), (3, 72904449), (9, 24301483), (17, 12865491), (51, 4288497), (153, 1429499), (173, 1264239), (519, 421413), (1557, 140471), (2941, 74367), (8263, 26469), (8823, 24789)]