81530405

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{12251}}^1$

素因数の和:12289

約数の個数: 16

約数和(自身を含む): 107621568

約数和(自身を除く): 26091163

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 12251, 61255, 134761, 673805, 1482371, 7411855, 16306081, 81530405]

約数ペア:

[(1, 81530405), (5, 16306081), (11, 7411855), (55, 1482371), (121, 673805), (605, 134761), (1331, 61255), (6655, 12251)]