28045251

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79901}}^1$

素因数の和:79923

約数の個数: 16

約数和(自身を含む): 44745120

約数和(自身を除く): 16699869

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 79901, 239703, 719109, 1038713, 2157327, 3116139, 9348417, 28045251]

約数ペア:

[(1, 28045251), (3, 9348417), (9, 3116139), (13, 2157327), (27, 1038713), (39, 719109), (117, 239703), (351, 79901)]