16978077

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 26426400

約数和(自身を除く): 9448323

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2309, 2451, 6927, 7353, 20781, 43871, 99287, 131613, 297861, 394839, 893583, 1886453, 5659359, 16978077]

約数ペア:

[(1, 16978077), (3, 5659359), (9, 1886453), (19, 893583), (43, 394839), (57, 297861), (129, 131613), (171, 99287), (387, 43871), (817, 20781), (2309, 7353), (2451, 6927)]