19615689

素因数分解:

$3^5\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 29746080

約数和(自身を除く): 10130391

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 801, 907, 2403, 2721, 7209, 8163, 21627, 24489, 73467, 80723, 220401, 242169, 726507, 2179521, 6538563, 19615689]

約数ペア:

[(1, 19615689), (3, 6538563), (9, 2179521), (27, 726507), (81, 242169), (89, 220401), (243, 80723), (267, 73467), (801, 24489), (907, 21627), (2403, 8163), (2721, 7209)]