23187879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 17172441

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 387, 419, 429, 473, 559, 1257, 1287, 1419, 1677, 3771, 4257, 4609, 5031, 5447, 6149, 13827, 16341, 18017, 18447, 41481, 49023, 54051, 55341, 59917, 162153, 179751, 198187, 234221, 539253, 594561, 702663, 1783683, 2107989, 2576431, 7729293, 23187879]

約数ペア:

[(1, 23187879), (3, 7729293), (9, 2576431), (11, 2107989), (13, 1783683), (33, 702663), (39, 594561), (43, 539253), (99, 234221), (117, 198187), (129, 179751), (143, 162153), (387, 59917), (419, 55341), (429, 54051), (473, 49023), (559, 41481), (1257, 18447), (1287, 18017), (1419, 16341), (1677, 13827), (3771, 6149), (4257, 5447), (4609, 5031)]