25439085

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 52284960

約数和(自身を除く): 26845875

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 83, 105, 139, 147, 245, 249, 315, 415, 417, 441, 581, 695, 735, 747, 973, 1245, 1251, 1743, 2085, 2205, 2905, 2919, 3735, 4067, 4865, 5229, 6255, 6811, 8715, 8757, 11537, 12201, 14595, 20335, 20433, 26145, 34055, 34611, 36603, 43785, 57685, 61005, 61299, 80759, 102165, 103833, 173055, 183015, 242277, 306495, 403795, 519165, 565313, 726831, 1211385, 1695939, 2826565, 3634155, 5087817, 8479695, 25439085]

約数ペア:

[(1, 25439085), (3, 8479695), (5, 5087817), (7, 3634155), (9, 2826565), (15, 1695939), (21, 1211385), (35, 726831), (45, 565313), (49, 519165), (63, 403795), (83, 306495), (105, 242277), (139, 183015), (147, 173055), (245, 103833), (249, 102165), (315, 80759), (415, 61299), (417, 61005), (441, 57685), (581, 43785), (695, 36603), (735, 34611), (747, 34055), (973, 26145), (1245, 20433), (1251, 20335), (1743, 14595), (2085, 12201), (2205, 11537), (2905, 8757), (2919, 8715), (3735, 6811), (4067, 6255), (4865, 5229)]