489778893

素因数分解:

$3^5\times {\mathrm{977}}^1\times {\mathrm{2063}}^1$

素因数の和:3055

約数の個数: 24

約数和(自身を含む): 734767488

約数和(自身を除く): 244988595

約数列:

[1, 3, 9, 27, 81, 243, 977, 2063, 2931, 6189, 8793, 18567, 26379, 55701, 79137, 167103, 237411, 501309, 2015551, 6046653, 18139959, 54419877, 163259631, 489778893]

約数ペア:

[(1, 489778893), (3, 163259631), (9, 54419877), (27, 18139959), (81, 6046653), (243, 2015551), (977, 501309), (2063, 237411), (2931, 167103), (6189, 79137), (8793, 55701), (18567, 26379)]