211329891

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{6379}}^1$

素因数の和:6800

約数の個数: 20

約数和(自身を含む): 316511800

約数和(自身を除く): 105181909

約数列:

[1, 3, 9, 27, 81, 409, 1227, 3681, 6379, 11043, 19137, 33129, 57411, 172233, 516699, 2609011, 7827033, 23481099, 70443297, 211329891]

約数ペア:

[(1, 211329891), (3, 70443297), (9, 23481099), (27, 7827033), (81, 2609011), (409, 516699), (1227, 172233), (3681, 57411), (6379, 33129), (11043, 19137)]