1985991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5563}}^1$

素因数の和:5590

約数の個数: 16

約数和(自身を含む): 3204864

約数和(自身を除く): 1218873

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5563, 16689, 38941, 94571, 116823, 283713, 661997, 1985991]

約数ペア:

[(1, 1985991), (3, 661997), (7, 283713), (17, 116823), (21, 94571), (51, 38941), (119, 16689), (357, 5563)]