81501585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2729}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 143095680

約数和(自身を除く): 61594095

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 181, 543, 905, 1991, 2715, 2729, 5973, 8187, 9955, 13645, 29865, 30019, 40935, 90057, 150095, 450285, 493949, 1481847, 2469745, 5433439, 7409235, 16300317, 27167195, 81501585]

約数ペア:

[(1, 81501585), (3, 27167195), (5, 16300317), (11, 7409235), (15, 5433439), (33, 2469745), (55, 1481847), (165, 493949), (181, 450285), (543, 150095), (905, 90057), (1991, 40935), (2715, 30019), (2729, 29865), (5973, 13645), (8187, 9955)]