81501125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 106254720

約数和(自身を除く): 24753595

約数列:

[1, 5, 25, 43, 59, 125, 215, 257, 295, 1075, 1285, 1475, 2537, 5375, 6425, 7375, 11051, 12685, 15163, 32125, 55255, 63425, 75815, 276275, 317125, 379075, 652009, 1381375, 1895375, 3260045, 16300225, 81501125]

約数ペア:

[(1, 81501125), (5, 16300225), (25, 3260045), (43, 1895375), (59, 1381375), (125, 652009), (215, 379075), (257, 317125), (295, 276275), (1075, 75815), (1285, 63425), (1475, 55255), (2537, 32125), (5375, 15163), (6425, 12685), (7375, 11051)]