279339903

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{21997}}^1$

素因数の和:22103

約数の個数: 24

約数和(自身を含む): 432392688

約数和(自身を除く): 153052785

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1411, 4233, 12699, 21997, 65991, 197973, 373949, 1121847, 1825751, 3365541, 5477253, 16431759, 31037767, 93113301, 279339903]

約数ペア:

[(1, 279339903), (3, 93113301), (9, 31037767), (17, 16431759), (51, 5477253), (83, 3365541), (153, 1825751), (249, 1121847), (747, 373949), (1411, 197973), (4233, 65991), (12699, 21997)]