18455121

素因数分解:

$3^5\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 27867840

約数和(自身を除く): 9412719

約数列:

[1, 3, 9, 27, 81, 173, 243, 439, 519, 1317, 1557, 3951, 4671, 11853, 14013, 35559, 42039, 75947, 106677, 227841, 683523, 2050569, 6151707, 18455121]

約数ペア:

[(1, 18455121), (3, 6151707), (9, 2050569), (27, 683523), (81, 227841), (173, 106677), (243, 75947), (439, 42039), (519, 35559), (1317, 14013), (1557, 11853), (3951, 4671)]