240991605

素因数分解:

$3^5\times 5^1\times {\mathrm{198347}}^1$

素因数の和:198367

約数の個数: 24

約数和(自身を含む): 433192032

約数和(自身を除く): 192200427

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 198347, 595041, 991735, 1785123, 2975205, 5355369, 8925615, 16066107, 26776845, 48198321, 80330535, 240991605]

約数ペア:

[(1, 240991605), (3, 80330535), (5, 48198321), (9, 26776845), (15, 16066107), (27, 8925615), (45, 5355369), (81, 2975205), (135, 1785123), (243, 991735), (405, 595041), (1215, 198347)]