81934281

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21221}}^1$

素因数の和:21254

約数の個数: 32

約数和(自身を含む): 142611840

約数和(自身を除く): 60677559

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 21221, 63663, 190989, 233431, 275873, 572967, 700293, 827619, 2100879, 2482857, 3034603, 6302637, 7448571, 9103809, 27311427, 81934281]

約数ペア:

[(1, 81934281), (3, 27311427), (9, 9103809), (11, 7448571), (13, 6302637), (27, 3034603), (33, 2482857), (39, 2100879), (99, 827619), (117, 700293), (143, 572967), (297, 275873), (351, 233431), (429, 190989), (1287, 63663), (3861, 21221)]