217872795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71551}}^1$

素因数の和:71595

約数の個数: 32

約数和(自身を含む): 412139520

約数和(自身を除く): 194266725

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 71551, 214653, 357755, 500857, 1073265, 1502571, 2074979, 2504285, 6224937, 7512855, 10374895, 14524853, 31124685, 43574559, 72624265, 217872795]

約数ペア:

[(1, 217872795), (3, 72624265), (5, 43574559), (7, 31124685), (15, 14524853), (21, 10374895), (29, 7512855), (35, 6224937), (87, 2504285), (105, 2074979), (145, 1502571), (203, 1073265), (435, 500857), (609, 357755), (1015, 214653), (3045, 71551)]