291216255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{15619}}^1$

素因数の和:15751

約数の個数: 32

約数和(自身を含む): 512835840

約数和(自身を除く): 221619585

約数列:

[1, 3, 5, 11, 15, 33, 55, 113, 165, 339, 565, 1243, 1695, 3729, 6215, 15619, 18645, 46857, 78095, 171809, 234285, 515427, 859045, 1764947, 2577135, 5294841, 8824735, 19414417, 26474205, 58243251, 97072085, 291216255]

約数ペア:

[(1, 291216255), (3, 97072085), (5, 58243251), (11, 26474205), (15, 19414417), (33, 8824735), (55, 5294841), (113, 2577135), (165, 1764947), (339, 859045), (565, 515427), (1243, 234285), (1695, 171809), (3729, 78095), (6215, 46857), (15619, 18645)]