219221431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12071}}^1$

素因数の和:12222

約数の個数: 16

約数和(自身を含む): 259596288

約数和(自身を除く): 40374857

約数列:

[1, 11, 13, 127, 143, 1397, 1651, 12071, 18161, 132781, 156923, 1533017, 1726153, 16863187, 19929221, 219221431]

約数ペア:

[(1, 219221431), (11, 19929221), (13, 16863187), (127, 1726153), (143, 1533017), (1397, 156923), (1651, 132781), (12071, 18161)]