72670143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 126120960

約数和(自身を除く): 53450817

約数列:

[1, 3, 7, 13, 21, 29, 39, 67, 87, 91, 137, 201, 203, 273, 377, 411, 469, 609, 871, 959, 1131, 1407, 1781, 1943, 2613, 2639, 2877, 3973, 5343, 5829, 6097, 7917, 9179, 11919, 12467, 13601, 18291, 25259, 27537, 27811, 37401, 40803, 51649, 64253, 75777, 83433, 119327, 154947, 176813, 192759, 266191, 357981, 361543, 530439, 798573, 835289, 1084629, 1863337, 2505867, 3460483, 5590011, 10381449, 24223381, 72670143]

約数ペア:

[(1, 72670143), (3, 24223381), (7, 10381449), (13, 5590011), (21, 3460483), (29, 2505867), (39, 1863337), (67, 1084629), (87, 835289), (91, 798573), (137, 530439), (201, 361543), (203, 357981), (273, 266191), (377, 192759), (411, 176813), (469, 154947), (609, 119327), (871, 83433), (959, 75777), (1131, 64253), (1407, 51649), (1781, 40803), (1943, 37401), (2613, 27811), (2639, 27537), (2877, 25259), (3973, 18291), (5343, 13601), (5829, 12467), (6097, 11919), (7917, 9179)]