289695021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1254091}}^1$

素因数の和:1254112

約数の個数: 16

約数和(自身を含む): 481571328

約数和(自身を除く): 191876307

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1254091, 3762273, 8778637, 13795001, 26335911, 41385003, 96565007, 289695021]

約数ペア:

[(1, 289695021), (3, 96565007), (7, 41385003), (11, 26335911), (21, 13795001), (33, 8778637), (77, 3762273), (231, 1254091)]