40189653

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 69388800

約数和(自身を除く): 29199147

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 277, 329, 343, 423, 441, 831, 987, 1029, 1939, 2303, 2493, 2961, 3087, 5817, 6909, 13019, 13573, 16121, 17451, 20727, 39057, 40719, 48363, 91133, 95011, 117171, 122157, 145089, 273399, 285033, 637931, 820197, 855099, 1913793, 4465517, 5741379, 13396551, 40189653]

約数ペア:

[(1, 40189653), (3, 13396551), (7, 5741379), (9, 4465517), (21, 1913793), (47, 855099), (49, 820197), (63, 637931), (141, 285033), (147, 273399), (277, 145089), (329, 122157), (343, 117171), (423, 95011), (441, 91133), (831, 48363), (987, 40719), (1029, 39057), (1939, 20727), (2303, 17451), (2493, 16121), (2961, 13573), (3087, 13019), (5817, 6909)]