261220959

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{6607}}^1$

素因数の和:6827

約数の個数: 24

約数和(自身を含む): 395845632

約数和(自身を除く): 134624673

約数列:

[1, 3, 9, 23, 69, 191, 207, 573, 1719, 4393, 6607, 13179, 19821, 39537, 59463, 151961, 455883, 1261937, 1367649, 3785811, 11357433, 29024551, 87073653, 261220959]

約数ペア:

[(1, 261220959), (3, 87073653), (9, 29024551), (23, 11357433), (69, 3785811), (191, 1367649), (207, 1261937), (573, 455883), (1719, 151961), (4393, 59463), (6607, 39537), (13179, 19821)]