25125345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 52049088

約数和(自身を除く): 26923743

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 83, 93, 105, 155, 217, 249, 279, 315, 415, 465, 581, 651, 747, 961, 1085, 1245, 1395, 1743, 1953, 2573, 2883, 2905, 3255, 3735, 4805, 5229, 6727, 7719, 8649, 8715, 9765, 12865, 14415, 18011, 20181, 23157, 26145, 33635, 38595, 43245, 54033, 60543, 79763, 90055, 100905, 115785, 162099, 239289, 270165, 302715, 398815, 558341, 717867, 810495, 1196445, 1675023, 2791705, 3589335, 5025069, 8375115, 25125345]

約数ペア:

[(1, 25125345), (3, 8375115), (5, 5025069), (7, 3589335), (9, 2791705), (15, 1675023), (21, 1196445), (31, 810495), (35, 717867), (45, 558341), (63, 398815), (83, 302715), (93, 270165), (105, 239289), (155, 162099), (217, 115785), (249, 100905), (279, 90055), (315, 79763), (415, 60543), (465, 54033), (581, 43245), (651, 38595), (747, 33635), (961, 26145), (1085, 23157), (1245, 20181), (1395, 18011), (1743, 14415), (1953, 12865), (2573, 9765), (2883, 8715), (2905, 8649), (3255, 7719), (3735, 6727), (4805, 5229)]