664605

素因数分解:

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

素因数の和:567

約数の個数: 24

約数和(自身を含む): 1196832

約数和(自身を除く): 532227

約数列:

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

約数ペア:

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