161722089

素因数分解:

$3^8\times {\mathrm{157}}^2$

素因数の和:338

約数の個数: 27

約数和(自身を含む): 244125687

約数和(自身を除く): 82403598

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 729, 1413, 2187, 4239, 6561, 12717, 24649, 38151, 73947, 114453, 221841, 343359, 665523, 1030077, 1996569, 5989707, 17969121, 53907363, 161722089]

約数ペア:

[(1, 161722089), (3, 53907363), (9, 17969121), (27, 5989707), (81, 1996569), (157, 1030077), (243, 665523), (471, 343359), (729, 221841), (1413, 114453), (2187, 73947), (4239, 38151), (6561, 24649)]