81855125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1009}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 113443200

約数和(自身を除く): 31588075

約数列:

[1, 5, 11, 25, 55, 59, 125, 275, 295, 649, 1009, 1375, 1475, 3245, 5045, 7375, 11099, 16225, 25225, 55495, 59531, 81125, 126125, 277475, 297655, 654841, 1387375, 1488275, 3274205, 7441375, 16371025, 81855125]

約数ペア:

[(1, 81855125), (5, 16371025), (11, 7441375), (25, 3274205), (55, 1488275), (59, 1387375), (125, 654841), (275, 297655), (295, 277475), (649, 126125), (1009, 81125), (1375, 59531), (1475, 55495), (3245, 25225), (5045, 16225), (7375, 11099)]