648984951

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{3209}}^1$

素因数の和:4215

約数の個数: 24

約数和(自身を含む): 979486560

約数和(自身を除く): 330501609

約数列:

[1, 3, 9, 23, 69, 207, 977, 2931, 3209, 8793, 9627, 22471, 28881, 67413, 73807, 202239, 221421, 664263, 3135193, 9405579, 28216737, 72109439, 216328317, 648984951]

約数ペア:

[(1, 648984951), (3, 216328317), (9, 72109439), (23, 28216737), (69, 9405579), (207, 3135193), (977, 664263), (2931, 221421), (3209, 202239), (8793, 73807), (9627, 67413), (22471, 28881)]