81056937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 119943936

約数和(自身を除く): 38886999

約数列:

[1, 3, 13, 39, 71, 73, 213, 219, 401, 923, 949, 1203, 2769, 2847, 5183, 5213, 15549, 15639, 28471, 29273, 67379, 85413, 87819, 202137, 370123, 380549, 1110369, 1141647, 2078383, 6235149, 27018979, 81056937]

約数ペア:

[(1, 81056937), (3, 27018979), (13, 6235149), (39, 2078383), (71, 1141647), (73, 1110369), (213, 380549), (219, 370123), (401, 202137), (923, 87819), (949, 85413), (1203, 67379), (2769, 29273), (2847, 28471), (5183, 15639), (5213, 15549)]