127511517

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 213663744

約数和(自身を除く): 86152227

約数列:

[1, 3, 7, 21, 23, 41, 47, 69, 123, 137, 141, 161, 287, 329, 411, 483, 861, 943, 959, 987, 1081, 1927, 2829, 2877, 3151, 3243, 5617, 5781, 6439, 6601, 7567, 9453, 13489, 16851, 19317, 19803, 22057, 22701, 39319, 40467, 44321, 45073, 66171, 117957, 129191, 132963, 135219, 148097, 263999, 310247, 387573, 444291, 791997, 904337, 930741, 1036679, 1847993, 2713011, 3110037, 5543979, 6071977, 18215931, 42503839, 127511517]

約数ペア:

[(1, 127511517), (3, 42503839), (7, 18215931), (21, 6071977), (23, 5543979), (41, 3110037), (47, 2713011), (69, 1847993), (123, 1036679), (137, 930741), (141, 904337), (161, 791997), (287, 444291), (329, 387573), (411, 310247), (483, 263999), (861, 148097), (943, 135219), (959, 132963), (987, 129191), (1081, 117957), (1927, 66171), (2829, 45073), (2877, 44321), (3151, 40467), (3243, 39319), (5617, 22701), (5781, 22057), (6439, 19803), (6601, 19317), (7567, 16851), (9453, 13489)]