195561009

素因数分解:

$3^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{1117}}^1$

素因数の和:1534

約数の個数: 36

約数和(自身を含む): 329718324

約数和(自身を除く): 134157315

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 397, 441, 1117, 1191, 2779, 3351, 3573, 7819, 8337, 10053, 19453, 23457, 25011, 54733, 58359, 70371, 164199, 175077, 443449, 492597, 1330347, 3104143, 3991041, 9312429, 21729001, 27937287, 65187003, 195561009]

約数ペア:

[(1, 195561009), (3, 65187003), (7, 27937287), (9, 21729001), (21, 9312429), (49, 3991041), (63, 3104143), (147, 1330347), (397, 492597), (441, 443449), (1117, 175077), (1191, 164199), (2779, 70371), (3351, 58359), (3573, 54733), (7819, 25011), (8337, 23457), (10053, 19453)]