1490805

素因数分解:

$3^6\times 5^1\times {\mathrm{409}}^1$

素因数の和:432

約数の個数: 28

約数和(自身を含む): 2688780

約数和(自身を除く): 1197975

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 409, 729, 1215, 1227, 2045, 3645, 3681, 6135, 11043, 18405, 33129, 55215, 99387, 165645, 298161, 496935, 1490805]

約数ペア:

[(1, 1490805), (3, 496935), (5, 298161), (9, 165645), (15, 99387), (27, 55215), (45, 33129), (81, 18405), (135, 11043), (243, 6135), (405, 3681), (409, 3645), (729, 2045), (1215, 1227)]