16691169

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21991}}^1$

素因数の和:22028

約数の個数: 16

約数和(自身を含む): 25334784

約数和(自身を除く): 8643615

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 21991, 65973, 241901, 505793, 725703, 1517379, 5563723, 16691169]

約数ペア:

[(1, 16691169), (3, 5563723), (11, 1517379), (23, 725703), (33, 505793), (69, 241901), (253, 65973), (759, 21991)]