81967185

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5503}}^1$

素因数の和:5845

約数の個数: 24

約数和(自身を含む): 142531584

約数和(自身を除く): 60564399

約数列:

[1, 3, 5, 9, 15, 45, 331, 993, 1655, 2979, 4965, 5503, 14895, 16509, 27515, 49527, 82545, 247635, 1821493, 5464479, 9107465, 16393437, 27322395, 81967185]

約数ペア:

[(1, 81967185), (3, 27322395), (5, 16393437), (9, 9107465), (15, 5464479), (45, 1821493), (331, 247635), (993, 82545), (1655, 49527), (2979, 27515), (4965, 16509), (5503, 14895)]