25222743

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 47503872

約数和(自身を除く): 22281129

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 103, 117, 161, 169, 207, 273, 299, 309, 483, 507, 721, 819, 897, 927, 1183, 1339, 1449, 1521, 2093, 2163, 2369, 2691, 3549, 3887, 4017, 6279, 6489, 7107, 9373, 10647, 11661, 12051, 16583, 17407, 18837, 21321, 27209, 28119, 30797, 34983, 49749, 52221, 81627, 84357, 92391, 121849, 149247, 156663, 215579, 244881, 277173, 365547, 400361, 646737, 1096641, 1201083, 1940211, 2802527, 3603249, 8407581, 25222743]

約数ペア:

[(1, 25222743), (3, 8407581), (7, 3603249), (9, 2802527), (13, 1940211), (21, 1201083), (23, 1096641), (39, 646737), (63, 400361), (69, 365547), (91, 277173), (103, 244881), (117, 215579), (161, 156663), (169, 149247), (207, 121849), (273, 92391), (299, 84357), (309, 81627), (483, 52221), (507, 49749), (721, 34983), (819, 30797), (897, 28119), (927, 27209), (1183, 21321), (1339, 18837), (1449, 17407), (1521, 16583), (2093, 12051), (2163, 11661), (2369, 10647), (2691, 9373), (3549, 7107), (3887, 6489), (4017, 6279)]