1279260021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{208927}}^1$

素因数の和:209100

約数の個数: 16

約数和(自身を含む): 1848594944

約数和(自身を除く): 569334923

約数列:

[1, 3, 13, 39, 157, 471, 2041, 6123, 208927, 626781, 2716051, 8148153, 32801539, 98404617, 426420007, 1279260021]

約数ペア:

[(1, 1279260021), (3, 426420007), (13, 98404617), (39, 32801539), (157, 8148153), (471, 2716051), (2041, 626781), (6123, 208927)]