1742229

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 20

約数和(自身を含む): 2638284

約数和(自身を除く): 896055

約数列:

[1, 3, 9, 27, 81, 137, 157, 411, 471, 1233, 1413, 3699, 4239, 11097, 12717, 21509, 64527, 193581, 580743, 1742229]

約数ペア:

[(1, 1742229), (3, 580743), (9, 193581), (27, 64527), (81, 21509), (137, 12717), (157, 11097), (411, 4239), (471, 3699), (1233, 1413)]