28996305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8747}}^1$

素因数の和:8785

約数の個数: 32

約数和(自身を含む): 52907904

約数和(自身を除く): 23911599

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8747, 26241, 43735, 113711, 131205, 148699, 341133, 446097, 568555, 743495, 1705665, 1933087, 2230485, 5799261, 9665435, 28996305]

約数ペア:

[(1, 28996305), (3, 9665435), (5, 5799261), (13, 2230485), (15, 1933087), (17, 1705665), (39, 743495), (51, 568555), (65, 446097), (85, 341133), (195, 148699), (221, 131205), (255, 113711), (663, 43735), (1105, 26241), (3315, 8747)]