28326675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 25107405

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1709, 3315, 5127, 5525, 8545, 16575, 22217, 25635, 29053, 42725, 66651, 87159, 111085, 128175, 145265, 333255, 377689, 435795, 555425, 726325, 1133067, 1666275, 1888445, 2178975, 5665335, 9442225, 28326675]

約数ペア:

[(1, 28326675), (3, 9442225), (5, 5665335), (13, 2178975), (15, 1888445), (17, 1666275), (25, 1133067), (39, 726325), (51, 555425), (65, 435795), (75, 377689), (85, 333255), (195, 145265), (221, 128175), (255, 111085), (325, 87159), (425, 66651), (663, 42725), (975, 29053), (1105, 25635), (1275, 22217), (1709, 16575), (3315, 8545), (5127, 5525)]