81037905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2647}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 140577024

約数和(自身を除く): 59539119

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 2041, 2355, 2647, 6123, 7941, 10205, 13235, 30615, 34411, 39705, 103233, 172055, 415579, 516165, 1246737, 2077895, 5402527, 6233685, 16207581, 27012635, 81037905]

約数ペア:

[(1, 81037905), (3, 27012635), (5, 16207581), (13, 6233685), (15, 5402527), (39, 2077895), (65, 1246737), (157, 516165), (195, 415579), (471, 172055), (785, 103233), (2041, 39705), (2355, 34411), (2647, 30615), (6123, 13235), (7941, 10205)]