72581565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1777}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 133136640

約数和(自身を除く): 60555075

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 389, 1167, 1777, 1945, 2723, 5331, 5835, 8169, 8885, 12439, 13615, 26655, 37317, 40845, 62195, 186585, 691253, 2073759, 3456265, 4838771, 10368795, 14516313, 24193855, 72581565]

約数ペア:

[(1, 72581565), (3, 24193855), (5, 14516313), (7, 10368795), (15, 4838771), (21, 3456265), (35, 2073759), (105, 691253), (389, 186585), (1167, 62195), (1777, 40845), (1945, 37317), (2723, 26655), (5331, 13615), (5835, 12439), (8169, 8885)]