1993815

素因数分解:

$3^6\times 5^1\times {\mathrm{547}}^1$

素因数の和:570

約数の個数: 28

約数和(自身を含む): 3593784

約数和(自身を除く): 1599969

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 547, 729, 1215, 1641, 2735, 3645, 4923, 8205, 14769, 24615, 44307, 73845, 132921, 221535, 398763, 664605, 1993815]

約数ペア:

[(1, 1993815), (3, 664605), (5, 398763), (9, 221535), (15, 132921), (27, 73845), (45, 44307), (81, 24615), (135, 14769), (243, 8205), (405, 4923), (547, 3645), (729, 2735), (1215, 1641)]