18123999

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 24855552

約数和(自身を除く): 6731553

約数列:

[1, 3, 47, 141, 173, 519, 743, 2229, 8131, 24393, 34921, 104763, 128539, 385617, 6041333, 18123999]

約数ペア:

[(1, 18123999), (3, 6041333), (47, 385617), (141, 128539), (173, 104763), (519, 34921), (743, 24393), (2229, 8131)]