2218671

素因数分解:

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

素因数の和:82

約数の個数: 60

約数和(自身を含む): 4248552

約数和(自身を除く): 2029881

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 49, 63, 81, 91, 117, 129, 147, 189, 273, 301, 351, 387, 441, 559, 567, 637, 819, 903, 1053, 1161, 1323, 1677, 1911, 2107, 2457, 2709, 3483, 3913, 3969, 5031, 5733, 6321, 7371, 8127, 11739, 15093, 17199, 18963, 24381, 27391, 35217, 45279, 51597, 56889, 82173, 105651, 170667, 246519, 316953, 739557, 2218671]

約数ペア:

[(1, 2218671), (3, 739557), (7, 316953), (9, 246519), (13, 170667), (21, 105651), (27, 82173), (39, 56889), (43, 51597), (49, 45279), (63, 35217), (81, 27391), (91, 24381), (117, 18963), (129, 17199), (147, 15093), (189, 11739), (273, 8127), (301, 7371), (351, 6321), (387, 5733), (441, 5031), (559, 3969), (567, 3913), (637, 3483), (819, 2709), (903, 2457), (1053, 2107), (1161, 1911), (1323, 1677)]