1688055687

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{21701}}^1$

素因数の和:21820

約数の個数: 32

約数和(自身を含む): 2597295360

約数和(自身を除く): 909239673

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 387, 603, 1161, 1809, 2881, 8643, 21701, 25929, 65103, 77787, 195309, 585927, 933143, 1453967, 2799429, 4361901, 8398287, 13085703, 25194861, 39257109, 62520581, 187561743, 562685229, 1688055687]

約数ペア:

[(1, 1688055687), (3, 562685229), (9, 187561743), (27, 62520581), (43, 39257109), (67, 25194861), (129, 13085703), (201, 8398287), (387, 4361901), (603, 2799429), (1161, 1453967), (1809, 933143), (2881, 585927), (8643, 195309), (21701, 77787), (25929, 65103)]