2358315

素因数分解:

$3^6\times 5^1\times {\mathrm{647}}^1$

素因数の和:670

約数の個数: 28

約数和(自身を含む): 4249584

約数和(自身を除く): 1891269

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 647, 729, 1215, 1941, 3235, 3645, 5823, 9705, 17469, 29115, 52407, 87345, 157221, 262035, 471663, 786105, 2358315]

約数ペア:

[(1, 2358315), (3, 786105), (5, 471663), (9, 262035), (15, 157221), (27, 87345), (45, 52407), (81, 29115), (135, 17469), (243, 9705), (405, 5823), (647, 3645), (729, 3235), (1215, 1941)]