223821521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{15061}}^1$

素因数の和:15272

約数の個数: 16

約数和(自身を含む): 280514688

約数和(自身を除く): 56693167

約数列:

[1, 7, 11, 77, 193, 1351, 2123, 14861, 15061, 105427, 165671, 1159697, 2906773, 20347411, 31974503, 223821521]

約数ペア:

[(1, 223821521), (7, 31974503), (11, 20347411), (77, 2906773), (193, 1159697), (1351, 165671), (2123, 105427), (14861, 15061)]