28570275

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2953}}^1$

素因数の和:3012

約数の個数: 36

約数和(自身を含む): 52380328

約数和(自身を除く): 23810053

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2953, 3225, 8859, 9675, 14765, 26577, 44295, 73825, 126979, 132885, 221475, 380937, 634895, 664425, 1142811, 1904685, 3174475, 5714055, 9523425, 28570275]

約数ペア:

[(1, 28570275), (3, 9523425), (5, 5714055), (9, 3174475), (15, 1904685), (25, 1142811), (43, 664425), (45, 634895), (75, 380937), (129, 221475), (215, 132885), (225, 126979), (387, 73825), (645, 44295), (1075, 26577), (1935, 14765), (2953, 9675), (3225, 8859)]