1978103673

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 3769136448

約数和(自身を除く): 1791032775

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 79, 81, 91, 117, 129, 189, 237, 273, 301, 351, 387, 553, 559, 567, 711, 819, 903, 1027, 1053, 1161, 1659, 1677, 2133, 2457, 2709, 3081, 3397, 3483, 3913, 4977, 5031, 6241, 6399, 7189, 7371, 8127, 9243, 10191, 11739, 14931, 15093, 18723, 21567, 23779, 24381, 27729, 30573, 35217, 43687, 44161, 44793, 45279, 56169, 64701, 71337, 81133, 83187, 91719, 105651, 131061, 132483, 168507, 194103, 214011, 243399, 268363, 275157, 309127, 316953, 393183, 397449, 505521, 567931, 582309, 642033, 730197, 805089, 927381, 1179549, 1192347, 1703793, 1878541, 1926099, 2190591, 2415267, 2782143, 3488719, 3538647, 3577041, 5111379, 5635623, 6571773, 7245801, 8346429, 10466157, 15334137, 16906869, 21737403, 24421033, 25039287, 31398471, 46002411, 50720607, 73263099, 94195413, 152161821, 219789297, 282586239, 659367891, 1978103673]

約数ペア:

[(1, 1978103673), (3, 659367891), (7, 282586239), (9, 219789297), (13, 152161821), (21, 94195413), (27, 73263099), (39, 50720607), (43, 46002411), (63, 31398471), (79, 25039287), (81, 24421033), (91, 21737403), (117, 16906869), (129, 15334137), (189, 10466157), (237, 8346429), (273, 7245801), (301, 6571773), (351, 5635623), (387, 5111379), (553, 3577041), (559, 3538647), (567, 3488719), (711, 2782143), (819, 2415267), (903, 2190591), (1027, 1926099), (1053, 1878541), (1161, 1703793), (1659, 1192347), (1677, 1179549), (2133, 927381), (2457, 805089), (2709, 730197), (3081, 642033), (3397, 582309), (3483, 567931), (3913, 505521), (4977, 397449), (5031, 393183), (6241, 316953), (6399, 309127), (7189, 275157), (7371, 268363), (8127, 243399), (9243, 214011), (10191, 194103), (11739, 168507), (14931, 132483), (15093, 131061), (18723, 105651), (21567, 91719), (23779, 83187), (24381, 81133), (27729, 71337), (30573, 64701), (35217, 56169), (43687, 45279), (44161, 44793)]