28739421

素因数分解:

$3^3\times {\mathrm{599}}^1\times {\mathrm{1777}}^1$

素因数の和:2385

約数の個数: 16

約数和(自身を含む): 42672000

約数和(自身を除く): 13932579

約数列:

[1, 3, 9, 27, 599, 1777, 1797, 5331, 5391, 15993, 16173, 47979, 1064423, 3193269, 9579807, 28739421]

約数ペア:

[(1, 28739421), (3, 9579807), (9, 3193269), (27, 1064423), (599, 47979), (1777, 16173), (1797, 15993), (5331, 5391)]