12555891

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:800

約数の個数: 20

約数和(自身を含む): 18851800

約数和(自身を除く): 6295909

約数列:

[1, 3, 9, 27, 81, 379, 409, 1137, 1227, 3411, 3681, 10233, 11043, 30699, 33129, 155011, 465033, 1395099, 4185297, 12555891]

約数ペア:

[(1, 12555891), (3, 4185297), (9, 1395099), (27, 465033), (81, 155011), (379, 33129), (409, 30699), (1137, 11043), (1227, 10233), (3411, 3681)]