290857203

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2753}}^1$

素因数の和:2825

約数の個数: 64

約数和(自身を含む): 542868480

約数和(自身を除く): 252011277

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 91, 117, 129, 189, 273, 301, 351, 387, 559, 819, 903, 1161, 1677, 2457, 2709, 2753, 3913, 5031, 8127, 8259, 11739, 15093, 19271, 24777, 35217, 35789, 57813, 74331, 105651, 107367, 118379, 173439, 250523, 322101, 355137, 520317, 751569, 828653, 966303, 1065411, 1538927, 2254707, 2485959, 3196233, 4616781, 6764121, 7457877, 10772489, 13850343, 22373631, 32317467, 41551029, 96952401, 290857203]

約数ペア:

[(1, 290857203), (3, 96952401), (7, 41551029), (9, 32317467), (13, 22373631), (21, 13850343), (27, 10772489), (39, 7457877), (43, 6764121), (63, 4616781), (91, 3196233), (117, 2485959), (129, 2254707), (189, 1538927), (273, 1065411), (301, 966303), (351, 828653), (387, 751569), (559, 520317), (819, 355137), (903, 322101), (1161, 250523), (1677, 173439), (2457, 118379), (2709, 107367), (2753, 105651), (3913, 74331), (5031, 57813), (8127, 35789), (8259, 35217), (11739, 24777), (15093, 19271)]