81864255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26113}}^1$

素因数の和:26151

約数の個数: 32

約数和(自身を含む): 150416640

約数和(自身を除く): 68552385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 26113, 78339, 130565, 287243, 391695, 496147, 861729, 1436215, 1488441, 2480735, 4308645, 5457617, 7442205, 16372851, 27288085, 81864255]

約数ペア:

[(1, 81864255), (3, 27288085), (5, 16372851), (11, 7442205), (15, 5457617), (19, 4308645), (33, 2480735), (55, 1488441), (57, 1436215), (95, 861729), (165, 496147), (209, 391695), (285, 287243), (627, 130565), (1045, 78339), (3135, 26113)]