29781843

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 50883840

約数和(自身を除く): 21101997

約数列:

[1, 3, 7, 13, 21, 39, 43, 59, 91, 129, 177, 273, 301, 413, 559, 767, 903, 1239, 1677, 1849, 2301, 2537, 3913, 5369, 5547, 7611, 11739, 12943, 16107, 17759, 24037, 32981, 38829, 53277, 72111, 98943, 109091, 168259, 230867, 327273, 504777, 692601, 763637, 1418183, 2290911, 4254549, 9927281, 29781843]

約数ペア:

[(1, 29781843), (3, 9927281), (7, 4254549), (13, 2290911), (21, 1418183), (39, 763637), (43, 692601), (59, 504777), (91, 327273), (129, 230867), (177, 168259), (273, 109091), (301, 98943), (413, 72111), (559, 53277), (767, 38829), (903, 32981), (1239, 24037), (1677, 17759), (1849, 16107), (2301, 12943), (2537, 11739), (3913, 7611), (5369, 5547)]