28086525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2962

約数の個数: 36

約数和(自身を含む): 51493728

約数和(自身を除く): 23407203

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2903, 3225, 8709, 9675, 14515, 26127, 43545, 72575, 124829, 130635, 217725, 374487, 624145, 653175, 1123461, 1872435, 3120725, 5617305, 9362175, 28086525]

約数ペア:

[(1, 28086525), (3, 9362175), (5, 5617305), (9, 3120725), (15, 1872435), (25, 1123461), (43, 653175), (45, 624145), (75, 374487), (129, 217725), (215, 130635), (225, 124829), (387, 72575), (645, 43545), (1075, 26127), (1935, 14515), (2903, 9675), (3225, 8709)]