27745965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 53044992

約数和(自身を除く): 25299027

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1103, 1677, 1935, 2795, 3309, 5031, 5515, 8385, 9927, 14339, 16545, 25155, 43017, 47429, 49635, 71695, 129051, 142287, 215085, 237145, 426861, 616577, 645255, 711435, 1849731, 2134305, 3082885, 5549193, 9248655, 27745965]

約数ペア:

[(1, 27745965), (3, 9248655), (5, 5549193), (9, 3082885), (13, 2134305), (15, 1849731), (39, 711435), (43, 645255), (45, 616577), (65, 426861), (117, 237145), (129, 215085), (195, 142287), (215, 129051), (387, 71695), (559, 49635), (585, 47429), (645, 43017), (1103, 25155), (1677, 16545), (1935, 14339), (2795, 9927), (3309, 8385), (5031, 5515)]