16681413

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3067}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 26581152

約数和(自身を除く): 9899739

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3067, 5439, 9201, 21469, 64407, 113479, 150283, 340437, 450849, 794353, 2383059, 5560471, 16681413]

約数ペア:

[(1, 16681413), (3, 5560471), (7, 2383059), (21, 794353), (37, 450849), (49, 340437), (111, 150283), (147, 113479), (259, 64407), (777, 21469), (1813, 9201), (3067, 5439)]