212617911

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{280129}}^1$

素因数の和:280166

約数の個数: 16

約数和(自身を含む): 322709760

約数和(自身を除く): 110091849

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 280129, 840387, 3081419, 6442967, 9244257, 19328901, 70872637, 212617911]

約数ペア:

[(1, 212617911), (3, 70872637), (11, 19328901), (23, 9244257), (33, 6442967), (69, 3081419), (253, 840387), (759, 280129)]