81760959

素因数分解:

$3^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{467}}^1$

素因数の和:884

約数の個数: 36

約数和(自身を含む): 138021624

約数和(自身を除く): 56260665

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 397, 441, 467, 1191, 1401, 2779, 3269, 3573, 4203, 8337, 9807, 19453, 22883, 25011, 29421, 58359, 68649, 175077, 185399, 205947, 556197, 1297793, 1668591, 3893379, 9084551, 11680137, 27253653, 81760959]

約数ペア:

[(1, 81760959), (3, 27253653), (7, 11680137), (9, 9084551), (21, 3893379), (49, 1668591), (63, 1297793), (147, 556197), (397, 205947), (441, 185399), (467, 175077), (1191, 68649), (1401, 58359), (2779, 29421), (3269, 25011), (3573, 22883), (4203, 19453), (8337, 9807)]