1566621

素因数分解:

$3^6\times 7^1\times {\mathrm{307}}^1$

素因数の和:332

約数の個数: 28

約数和(自身を含む): 2693152

約数和(自身を除く): 1126531

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 307, 567, 729, 921, 1701, 2149, 2763, 5103, 6447, 8289, 19341, 24867, 58023, 74601, 174069, 223803, 522207, 1566621]

約数ペア:

[(1, 1566621), (3, 522207), (7, 223803), (9, 174069), (21, 74601), (27, 58023), (63, 24867), (81, 19341), (189, 8289), (243, 6447), (307, 5103), (567, 2763), (729, 2149), (921, 1701)]