212740905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1090979}}^1$

素因数の和:1091000

約数の個数: 16

約数和(自身を含む): 366569280

約数和(自身を除く): 153828375

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1090979, 3272937, 5454895, 14182727, 16364685, 42548181, 70913635, 212740905]

約数ペア:

[(1, 212740905), (3, 70913635), (5, 42548181), (13, 16364685), (15, 14182727), (39, 5454895), (65, 3272937), (195, 1090979)]