1780281

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 2808000

約数和(自身を除く): 1027719

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 359, 551, 1077, 1653, 3231, 4959, 6821, 10411, 20463, 31233, 61389, 93699, 197809, 593427, 1780281]

約数ペア:

[(1, 1780281), (3, 593427), (9, 197809), (19, 93699), (29, 61389), (57, 31233), (87, 20463), (171, 10411), (261, 6821), (359, 4959), (551, 3231), (1077, 1653)]