81089855

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{30089}}^1$

素因数の和:30119

約数の個数: 24

約数和(自身を含む): 123489360

約数和(自身を除く): 42399505

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 30089, 150445, 210623, 330979, 1053115, 1474361, 1654895, 2316853, 7371805, 11584265, 16217971, 81089855]

約数ペア:

[(1, 81089855), (5, 16217971), (7, 11584265), (11, 7371805), (35, 2316853), (49, 1654895), (55, 1474361), (77, 1053115), (245, 330979), (385, 210623), (539, 150445), (2695, 30089)]