16891839

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 25087920

約数和(自身を除く): 8196081

約数列:

[1, 3, 9, 67, 109, 201, 257, 327, 603, 771, 981, 2313, 7303, 17219, 21909, 28013, 51657, 65727, 84039, 154971, 252117, 1876871, 5630613, 16891839]

約数ペア:

[(1, 16891839), (3, 5630613), (9, 1876871), (67, 252117), (109, 154971), (201, 84039), (257, 65727), (327, 51657), (603, 28013), (771, 21909), (981, 17219), (2313, 7303)]