199816953

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{7043}}^1$

素因数の和:7253

約数の個数: 24

約数和(自身を含む): 311570208

約数和(自身を除く): 111753255

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1351, 4053, 7043, 9457, 21129, 28371, 49301, 147903, 345107, 1035321, 1359299, 4077897, 9515093, 28545279, 66605651, 199816953]

約数ペア:

[(1, 199816953), (3, 66605651), (7, 28545279), (21, 9515093), (49, 4077897), (147, 1359299), (193, 1035321), (579, 345107), (1351, 147903), (4053, 49301), (7043, 28371), (9457, 21129)]