172221

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 268800

約数和(自身を除く): 96579

約数列:

[1, 3, 7, 21, 59, 139, 177, 413, 417, 973, 1239, 2919, 8201, 24603, 57407, 172221]

約数ペア:

[(1, 172221), (3, 57407), (7, 24603), (21, 8201), (59, 2919), (139, 1239), (177, 973), (413, 417)]