208039575

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 353548800

約数和(自身を除く): 145509225

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 199, 263, 265, 597, 789, 795, 995, 1315, 1325, 2985, 3945, 3975, 4975, 6575, 10547, 13939, 14925, 19725, 31641, 41817, 52337, 52735, 69695, 157011, 158205, 209085, 261685, 263675, 348475, 785055, 791025, 1045425, 1308425, 2773861, 3925275, 8321583, 13869305, 41607915, 69346525, 208039575]

約数ペア:

[(1, 208039575), (3, 69346525), (5, 41607915), (15, 13869305), (25, 8321583), (53, 3925275), (75, 2773861), (159, 1308425), (199, 1045425), (263, 791025), (265, 785055), (597, 348475), (789, 263675), (795, 261685), (995, 209085), (1315, 158205), (1325, 157011), (2985, 69695), (3945, 52735), (3975, 52337), (4975, 41817), (6575, 31641), (10547, 19725), (13939, 14925)]