81661085

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 111785436

約数和(自身を除く): 30124351

約数列:

[1, 5, 11, 43, 55, 73, 121, 215, 365, 473, 605, 803, 1849, 2365, 3139, 4015, 5203, 8833, 9245, 15695, 20339, 26015, 34529, 44165, 101695, 134977, 172645, 223729, 379819, 674885, 1118645, 1484747, 1899095, 7423735, 16332217, 81661085]

約数ペア:

[(1, 81661085), (5, 16332217), (11, 7423735), (43, 1899095), (55, 1484747), (73, 1118645), (121, 674885), (215, 379819), (365, 223729), (473, 172645), (605, 134977), (803, 101695), (1849, 44165), (2365, 34529), (3139, 26015), (4015, 20339), (5203, 15695), (8833, 9245)]