28752009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67021}}^1$

素因数の和:67048

約数の個数: 16

約数和(自身を含む): 45038784

約数和(自身を除く): 16286775

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 67021, 201063, 737231, 871273, 2211693, 2613819, 9584003, 28752009]

約数ペア:

[(1, 28752009), (3, 9584003), (11, 2613819), (13, 2211693), (33, 871273), (39, 737231), (143, 201063), (429, 67021)]