219902679

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{3109}}^1$

素因数の和:3415

約数の個数: 24

約数和(自身を含む): 329908800

約数和(自身を除く): 110006121

約数列:

[1, 3, 9, 29, 87, 261, 271, 813, 2439, 3109, 7859, 9327, 23577, 27981, 70731, 90161, 270483, 811449, 842539, 2527617, 7582851, 24433631, 73300893, 219902679]

約数ペア:

[(1, 219902679), (3, 73300893), (9, 24433631), (29, 7582851), (87, 2527617), (261, 842539), (271, 811449), (813, 270483), (2439, 90161), (3109, 70731), (7859, 27981), (9327, 23577)]