25461891

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 47703040

約数和(自身を除く): 22241149

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 91, 117, 129, 189, 241, 273, 301, 351, 387, 559, 723, 819, 903, 1161, 1677, 1687, 2169, 2457, 2709, 3133, 3913, 5031, 5061, 6507, 8127, 9399, 10363, 11739, 15093, 15183, 21931, 28197, 31089, 35217, 45549, 65793, 72541, 84591, 93267, 105651, 134719, 197379, 217623, 279801, 404157, 592137, 652869, 943033, 1212471, 1958607, 2829099, 3637413, 8487297, 25461891]

約数ペア:

[(1, 25461891), (3, 8487297), (7, 3637413), (9, 2829099), (13, 1958607), (21, 1212471), (27, 943033), (39, 652869), (43, 592137), (63, 404157), (91, 279801), (117, 217623), (129, 197379), (189, 134719), (241, 105651), (273, 93267), (301, 84591), (351, 72541), (387, 65793), (559, 45549), (723, 35217), (819, 31089), (903, 28197), (1161, 21931), (1677, 15183), (1687, 15093), (2169, 11739), (2457, 10363), (2709, 9399), (3133, 8127), (3913, 6507), (5031, 5061)]