16940925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 33194304

約数和(自身を除く): 16253379

約数列:

[1, 3, 5, 9, 15, 17, 25, 43, 45, 51, 75, 85, 103, 129, 153, 215, 225, 255, 309, 387, 425, 515, 645, 731, 765, 927, 1075, 1275, 1545, 1751, 1935, 2193, 2575, 3225, 3655, 3825, 4429, 4635, 5253, 6579, 7725, 8755, 9675, 10965, 13287, 15759, 18275, 22145, 23175, 26265, 32895, 39861, 43775, 54825, 66435, 75293, 78795, 110725, 131325, 164475, 199305, 225879, 332175, 376465, 393975, 677637, 996525, 1129395, 1882325, 3388185, 5646975, 16940925]

約数ペア:

[(1, 16940925), (3, 5646975), (5, 3388185), (9, 1882325), (15, 1129395), (17, 996525), (25, 677637), (43, 393975), (45, 376465), (51, 332175), (75, 225879), (85, 199305), (103, 164475), (129, 131325), (153, 110725), (215, 78795), (225, 75293), (255, 66435), (309, 54825), (387, 43775), (425, 39861), (515, 32895), (645, 26265), (731, 23175), (765, 22145), (927, 18275), (1075, 15759), (1275, 13287), (1545, 10965), (1751, 9675), (1935, 8755), (2193, 7725), (2575, 6579), (3225, 5253), (3655, 4635), (3825, 4429)]