25107915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 48254976

約数和(自身を除く): 23147061

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 67, 83, 105, 129, 201, 215, 249, 301, 335, 415, 469, 581, 645, 903, 1005, 1245, 1407, 1505, 1743, 2345, 2881, 2905, 3569, 4515, 5561, 7035, 8643, 8715, 10707, 14405, 16683, 17845, 20167, 24983, 27805, 38927, 43215, 53535, 60501, 74949, 83415, 100835, 116781, 124915, 194635, 239123, 302505, 374745, 583905, 717369, 1195615, 1673861, 3586845, 5021583, 8369305, 25107915]

約数ペア:

[(1, 25107915), (3, 8369305), (5, 5021583), (7, 3586845), (15, 1673861), (21, 1195615), (35, 717369), (43, 583905), (67, 374745), (83, 302505), (105, 239123), (129, 194635), (201, 124915), (215, 116781), (249, 100835), (301, 83415), (335, 74949), (415, 60501), (469, 53535), (581, 43215), (645, 38927), (903, 27805), (1005, 24983), (1245, 20167), (1407, 17845), (1505, 16683), (1743, 14405), (2345, 10707), (2881, 8715), (2905, 8643), (3569, 7035), (4515, 5561)]