216173913

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{2609}}^1$

素因数の和:3072

約数の個数: 16

約数和(自身を含む): 293155200

約数和(自身を除く): 76981287

約数列:

[1, 3, 71, 213, 389, 1167, 2609, 7827, 27619, 82857, 185239, 555717, 1014901, 3044703, 72057971, 216173913]

約数ペア:

[(1, 216173913), (3, 72057971), (71, 3044703), (213, 1014901), (389, 555717), (1167, 185239), (2609, 82857), (7827, 27619)]