1821046367

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{81373}}^1$

素因数の和:81542

約数の個数: 16

約数和(自身を含む): 2187333120

約数和(自身を除く): 366286753

約数列:

[1, 7, 23, 139, 161, 973, 3197, 22379, 81373, 569611, 1871579, 11310847, 13101053, 79175929, 260149481, 1821046367]

約数ペア:

[(1, 1821046367), (7, 260149481), (23, 79175929), (139, 13101053), (161, 11310847), (973, 1871579), (3197, 569611), (22379, 81373)]