28381521

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{13933}}^1$

素因数の和:14040

約数の個数: 16

約数和(自身を含む): 43697024

約数和(自身を除く): 15315503

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 13933, 41799, 97531, 292593, 1351501, 4054503, 9460507, 28381521]

約数ペア:

[(1, 28381521), (3, 9460507), (7, 4054503), (21, 1351501), (97, 292593), (291, 97531), (679, 41799), (2037, 13933)]