16979991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47563}}^1$

素因数の和:47590

約数の個数: 16

約数和(自身を含む): 27396864

約数和(自身を除く): 10416873

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 47563, 142689, 332941, 808571, 998823, 2425713, 5659997, 16979991]

約数ペア:

[(1, 16979991), (3, 5659997), (7, 2425713), (17, 998823), (21, 808571), (51, 332941), (119, 142689), (357, 47563)]