217671999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3559}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 324672000

約数和(自身を除く): 107000001

約数列:

[1, 3, 19, 29, 37, 57, 87, 111, 551, 703, 1073, 1653, 2109, 3219, 3559, 10677, 20387, 61161, 67621, 103211, 131683, 202863, 309633, 395049, 1961009, 2501977, 3818807, 5883027, 7505931, 11456421, 72557333, 217671999]

約数ペア:

[(1, 217671999), (3, 72557333), (19, 11456421), (29, 7505931), (37, 5883027), (57, 3818807), (87, 2501977), (111, 1961009), (551, 395049), (703, 309633), (1073, 202863), (1653, 131683), (2109, 103211), (3219, 67621), (3559, 61161), (10677, 20387)]