18231723

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4789}}^1$

素因数の和:4848

約数の個数: 20

約数和(自身を含む): 27820320

約数和(自身を除く): 9588597

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4789, 14367, 43101, 129303, 225083, 387909, 675249, 2025747, 6077241, 18231723]

約数ペア:

[(1, 18231723), (3, 6077241), (9, 2025747), (27, 675249), (47, 387909), (81, 225083), (141, 129303), (423, 43101), (1269, 14367), (3807, 4789)]