489753621

素因数分解:

$3^5\times 7^1\times {\mathrm{287921}}^1$

素因数の和:287943

約数の個数: 24

約数和(自身を含む): 838428864

約数和(自身を除く): 348675243

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 287921, 863763, 2015447, 2591289, 6046341, 7773867, 18139023, 23321601, 54417069, 69964803, 163251207, 489753621]

約数ペア:

[(1, 489753621), (3, 163251207), (7, 69964803), (9, 54417069), (21, 23321601), (27, 18139023), (63, 7773867), (81, 6046341), (189, 2591289), (243, 2015447), (567, 863763), (1701, 287921)]