8557731

素因数分解:

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

素因数の和:84

約数の個数: 64

約数和(自身を含む): 16163840

約数和(自身を除く): 7606109

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 81, 91, 117, 129, 189, 243, 273, 301, 351, 387, 559, 567, 729, 819, 903, 1053, 1161, 1677, 1701, 2187, 2457, 2709, 3159, 3483, 3913, 5031, 5103, 7371, 8127, 9477, 10449, 11739, 15093, 15309, 22113, 24381, 28431, 31347, 35217, 45279, 66339, 73143, 94041, 105651, 135837, 199017, 219429, 316953, 407511, 658287, 950859, 1222533, 2852577, 8557731]

約数ペア:

[(1, 8557731), (3, 2852577), (7, 1222533), (9, 950859), (13, 658287), (21, 407511), (27, 316953), (39, 219429), (43, 199017), (63, 135837), (81, 105651), (91, 94041), (117, 73143), (129, 66339), (189, 45279), (243, 35217), (273, 31347), (301, 28431), (351, 24381), (387, 22113), (559, 15309), (567, 15093), (729, 11739), (819, 10449), (903, 9477), (1053, 8127), (1161, 7371), (1677, 5103), (1701, 5031), (2187, 3913), (2457, 3483), (2709, 3159)]