28711725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3217}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 57460608

約数和(自身を除く): 28748883

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2975, 3217, 8925, 9651, 16085, 22519, 48255, 54689, 67557, 80425, 112595, 164067, 241275, 273445, 337785, 382823, 562975, 820335, 1148469, 1367225, 1688925, 1914115, 4101675, 5742345, 9570575, 28711725]

約数ペア:

[(1, 28711725), (3, 9570575), (5, 5742345), (7, 4101675), (15, 1914115), (17, 1688925), (21, 1367225), (25, 1148469), (35, 820335), (51, 562975), (75, 382823), (85, 337785), (105, 273445), (119, 241275), (175, 164067), (255, 112595), (357, 80425), (425, 67557), (525, 54689), (595, 48255), (1275, 22519), (1785, 16085), (2975, 9651), (3217, 8925)]