31191795

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30137}}^1$

素因数の和:30171

約数の個数: 24

約数和(自身を含む): 56418336

約数和(自身を除く): 25226541

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 30137, 90411, 150685, 271233, 452055, 693151, 1356165, 2079453, 3465755, 6238359, 10397265, 31191795]

約数ペア:

[(1, 31191795), (3, 10397265), (5, 6238359), (9, 3465755), (15, 2079453), (23, 1356165), (45, 693151), (69, 452055), (115, 271233), (207, 150685), (345, 90411), (1035, 30137)]