280989459

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 441692160

約数和(自身を除く): 160702701

約数列:

[1, 3, 9, 23, 27, 69, 103, 191, 207, 309, 529, 573, 621, 927, 1587, 1719, 2369, 2781, 4393, 4761, 5157, 7107, 13179, 14283, 19673, 21321, 39537, 54487, 59019, 63963, 101039, 118611, 163461, 177057, 303117, 452479, 490383, 531171, 909351, 1357437, 1471149, 2728053, 4072311, 10407017, 12216933, 31221051, 93663153, 280989459]

約数ペア:

[(1, 280989459), (3, 93663153), (9, 31221051), (23, 12216933), (27, 10407017), (69, 4072311), (103, 2728053), (191, 1471149), (207, 1357437), (309, 909351), (529, 531171), (573, 490383), (621, 452479), (927, 303117), (1587, 177057), (1719, 163461), (2369, 118611), (2781, 101039), (4393, 63963), (4761, 59019), (5157, 54487), (7107, 39537), (13179, 21321), (14283, 19673)]