407139057

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{65657}}^1$

素因数の和:65729

約数の個数: 24

約数和(自身を含む): 645286824

約数和(自身を除く): 238147767

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 65657, 196971, 590913, 853541, 2560623, 3479821, 7681869, 10439463, 31318389, 45237673, 135713019, 407139057]

約数ペア:

[(1, 407139057), (3, 135713019), (9, 45237673), (13, 31318389), (39, 10439463), (53, 7681869), (117, 3479821), (159, 2560623), (477, 853541), (689, 590913), (2067, 196971), (6201, 65657)]