131253759

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3727}}^1$

素因数の和:3796

約数の個数: 48

約数和(自身を含む): 238830592

約数和(自身を除く): 107576833

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1677, 2709, 3727, 3913, 5031, 11181, 11739, 26089, 33543, 35217, 48451, 78267, 145353, 160261, 234801, 339157, 436059, 480783, 1017471, 1121827, 1442349, 2083393, 3052413, 3365481, 6250179, 10096443, 14583751, 18750537, 43751253, 131253759]

約数ペア:

[(1, 131253759), (3, 43751253), (7, 18750537), (9, 14583751), (13, 10096443), (21, 6250179), (39, 3365481), (43, 3052413), (63, 2083393), (91, 1442349), (117, 1121827), (129, 1017471), (273, 480783), (301, 436059), (387, 339157), (559, 234801), (819, 160261), (903, 145353), (1677, 78267), (2709, 48451), (3727, 35217), (3913, 33543), (5031, 26089), (11181, 11739)]