81903941

素因数分解:

$7^3\times {\mathrm{89}}^1\times {\mathrm{2683}}^1$

素因数の和:2793

約数の個数: 16

約数和(自身を含む): 96624000

約数和(自身を除く): 14720059

約数列:

[1, 7, 49, 89, 343, 623, 2683, 4361, 18781, 30527, 131467, 238787, 920269, 1671509, 11700563, 81903941]

約数ペア:

[(1, 81903941), (7, 11700563), (49, 1671509), (89, 920269), (343, 238787), (623, 131467), (2683, 30527), (4361, 18781)]