279467517

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{41981}}^1$

素因数の和:42308

約数の個数: 16

約数和(自身を含む): 427208832

約数和(自身を除く): 147741315

約数列:

[1, 3, 7, 21, 317, 951, 2219, 6657, 41981, 125943, 293867, 881601, 13307977, 39923931, 93155839, 279467517]

約数ペア:

[(1, 279467517), (3, 93155839), (7, 39923931), (21, 13307977), (317, 881601), (951, 293867), (2219, 125943), (6657, 41981)]