81137189

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{44753}}^1$

素因数の和:44804

約数の個数: 12

約数和(自身を含む): 96937164

約数和(自身を除く): 15799975

約数列:

[1, 7, 37, 49, 259, 1813, 44753, 313271, 1655861, 2192897, 11591027, 81137189]

約数ペア:

[(1, 81137189), (7, 11591027), (37, 2192897), (49, 1655861), (259, 313271), (1813, 44753)]