12982305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 12626655

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1039, 1785, 2499, 3117, 4165, 5195, 7273, 12495, 15585, 17663, 21819, 36365, 50911, 52989, 88315, 109095, 123641, 152733, 254555, 264945, 370923, 618205, 763665, 865487, 1854615, 2596461, 4327435, 12982305]

約数ペア:

[(1, 12982305), (3, 4327435), (5, 2596461), (7, 1854615), (15, 865487), (17, 763665), (21, 618205), (35, 370923), (49, 264945), (51, 254555), (85, 152733), (105, 123641), (119, 109095), (147, 88315), (245, 52989), (255, 50911), (357, 36365), (595, 21819), (735, 17663), (833, 15585), (1039, 12495), (1785, 7273), (2499, 5195), (3117, 4165)]