16637901

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 29184000

約数和(自身を除く): 12546099

約数列:

[1, 3, 7, 19, 21, 23, 37, 49, 57, 69, 111, 133, 147, 161, 259, 343, 399, 437, 483, 703, 777, 851, 931, 1029, 1127, 1311, 1813, 2109, 2553, 2793, 3059, 3381, 4921, 5439, 5957, 6517, 7889, 9177, 12691, 14763, 16169, 17871, 19551, 21413, 23667, 34447, 38073, 41699, 48507, 64239, 103341, 113183, 125097, 149891, 241129, 291893, 339549, 449673, 723387, 792281, 875679, 2376843, 5545967, 16637901]

約数ペア:

[(1, 16637901), (3, 5545967), (7, 2376843), (19, 875679), (21, 792281), (23, 723387), (37, 449673), (49, 339549), (57, 291893), (69, 241129), (111, 149891), (133, 125097), (147, 113183), (161, 103341), (259, 64239), (343, 48507), (399, 41699), (437, 38073), (483, 34447), (703, 23667), (777, 21413), (851, 19551), (931, 17871), (1029, 16169), (1127, 14763), (1311, 12691), (1813, 9177), (2109, 7889), (2553, 6517), (2793, 5957), (3059, 5439), (3381, 4921)]