204970815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{650701}}^1$

素因数の和:650719

約数の個数: 24

約数和(自身を含む): 406038048

約数和(自身を除く): 201067233

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 650701, 1952103, 3253505, 4554907, 5856309, 9760515, 13664721, 22774535, 29281545, 40994163, 68323605, 204970815]

約数ペア:

[(1, 204970815), (3, 68323605), (5, 40994163), (7, 29281545), (9, 22774535), (15, 13664721), (21, 9760515), (35, 5856309), (45, 4554907), (63, 3253505), (105, 1952103), (315, 650701)]