81028045

素因数分解:

$5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{7541}}^1$

素因数の和:7860

約数の個数: 16

約数和(自身を含む): 111500928

約数和(自身を除く): 30472883

約数列:

[1, 5, 7, 35, 307, 1535, 2149, 7541, 10745, 37705, 52787, 263935, 2315087, 11575435, 16205609, 81028045]

約数ペア:

[(1, 81028045), (5, 16205609), (7, 11575435), (35, 2315087), (307, 263935), (1535, 52787), (2149, 37705), (7541, 10745)]