25857405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 29493891

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 43, 45, 63, 69, 83, 105, 115, 129, 161, 207, 215, 249, 301, 315, 345, 387, 415, 483, 581, 645, 747, 805, 903, 989, 1035, 1245, 1449, 1505, 1743, 1909, 1935, 2415, 2709, 2905, 2967, 3569, 3735, 4515, 4945, 5229, 5727, 6923, 7245, 8715, 8901, 9545, 10707, 13363, 13545, 14835, 17181, 17845, 20769, 24983, 26145, 28635, 32121, 34615, 40089, 44505, 53535, 62307, 66815, 74949, 82087, 85905, 103845, 120267, 124915, 160605, 200445, 224847, 246261, 311535, 374745, 410435, 574609, 601335, 738783, 1124235, 1231305, 1723827, 2873045, 3693915, 5171481, 8619135, 25857405]

約数ペア:

[(1, 25857405), (3, 8619135), (5, 5171481), (7, 3693915), (9, 2873045), (15, 1723827), (21, 1231305), (23, 1124235), (35, 738783), (43, 601335), (45, 574609), (63, 410435), (69, 374745), (83, 311535), (105, 246261), (115, 224847), (129, 200445), (161, 160605), (207, 124915), (215, 120267), (249, 103845), (301, 85905), (315, 82087), (345, 74949), (387, 66815), (415, 62307), (483, 53535), (581, 44505), (645, 40089), (747, 34615), (805, 32121), (903, 28635), (989, 26145), (1035, 24983), (1245, 20769), (1449, 17845), (1505, 17181), (1743, 14835), (1909, 13545), (1935, 13363), (2415, 10707), (2709, 9545), (2905, 8901), (2967, 8715), (3569, 7245), (3735, 6923), (4515, 5727), (4945, 5229)]