81379095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20947}}^1$

素因数の和:20999

約数の個数: 32

約数和(自身を含む): 152836608

約数和(自身を除く): 71457513

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 20947, 62841, 104735, 146629, 314205, 439887, 733145, 775039, 2199435, 2325117, 3875195, 5425273, 11625585, 16275819, 27126365, 81379095]

約数ペア:

[(1, 81379095), (3, 27126365), (5, 16275819), (7, 11625585), (15, 5425273), (21, 3875195), (35, 2325117), (37, 2199435), (105, 775039), (111, 733145), (185, 439887), (259, 314205), (555, 146629), (777, 104735), (1295, 62841), (3885, 20947)]