221688483

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{61223}}^1$

素因数の和:61314

約数の個数: 16

約数和(自身を含む): 317385216

約数和(自身を除く): 95696733

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 61223, 183669, 1040791, 3122373, 4346833, 13040499, 73896161, 221688483]

約数ペア:

[(1, 221688483), (3, 73896161), (17, 13040499), (51, 4346833), (71, 3122373), (213, 1040791), (1207, 183669), (3621, 61223)]