1365125

素因数分解:

$5^3\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 16

約数和(自身を含む): 1739712

約数和(自身を除く): 374587

約数列:

[1, 5, 25, 67, 125, 163, 335, 815, 1675, 4075, 8375, 10921, 20375, 54605, 273025, 1365125]

約数ペア:

[(1, 1365125), (5, 273025), (25, 54605), (67, 20375), (125, 10921), (163, 8375), (335, 4075), (815, 1675)]