81811757

素因数分解:

${\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 86349120

約数和(自身を除く): 4537363

約数列:

[1, 43, 67, 73, 389, 2881, 3139, 4891, 16727, 26063, 28397, 210313, 1120709, 1221071, 1902599, 81811757]

約数ペア:

[(1, 81811757), (43, 1902599), (67, 1221071), (73, 1120709), (389, 210313), (2881, 28397), (3139, 26063), (4891, 16727)]