202181007

素因数分解:

$3^1\times 7^4\times {\mathrm{28069}}^1$

素因数の和:28100

約数の個数: 20

約数和(自身を含む): 314496280

約数和(自身を除く): 112315273

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 28069, 84207, 196483, 589449, 1375381, 4126143, 9627667, 28883001, 67393669, 202181007]

約数ペア:

[(1, 202181007), (3, 67393669), (7, 28883001), (21, 9627667), (49, 4126143), (147, 1375381), (343, 589449), (1029, 196483), (2401, 84207), (7203, 28069)]