280211319

素因数分解:

$3^5\times {\mathrm{223}}^1\times {\mathrm{5171}}^1$

素因数の和:5409

約数の個数: 24

約数和(自身を含む): 421704192

約数和(自身を除く): 141492873

約数列:

[1, 3, 9, 27, 81, 223, 243, 669, 2007, 5171, 6021, 15513, 18063, 46539, 54189, 139617, 418851, 1153133, 1256553, 3459399, 10378197, 31134591, 93403773, 280211319]

約数ペア:

[(1, 280211319), (3, 93403773), (9, 31134591), (27, 10378197), (81, 3459399), (223, 1256553), (243, 1153133), (669, 418851), (2007, 139617), (5171, 54189), (6021, 46539), (15513, 18063)]