203429527

素因数分解:

$7^4\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:660

約数の個数: 20

約数和(自身を含む): 239093360

約数和(自身を除く): 35663833

約数列:

[1, 7, 49, 193, 343, 439, 1351, 2401, 3073, 9457, 21511, 66199, 84727, 150577, 463393, 593089, 1054039, 4151623, 29061361, 203429527]

約数ペア:

[(1, 203429527), (7, 29061361), (49, 4151623), (193, 1054039), (343, 593089), (439, 463393), (1351, 150577), (2401, 84727), (3073, 66199), (9457, 21511)]