173880021

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{140339}}^1$

素因数の和:140408

約数の個数: 16

約数和(自身を含む): 269452800

約数和(自身を除く): 95572779

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 140339, 421017, 982373, 2947119, 8280001, 24840003, 57960007, 173880021]

約数ペア:

[(1, 173880021), (3, 57960007), (7, 24840003), (21, 8280001), (59, 2947119), (177, 982373), (413, 421017), (1239, 140339)]