28390869

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1607}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 44483712

約数和(自身を除く): 16092843

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1359, 1607, 1963, 4821, 5889, 14463, 17667, 20891, 62673, 188019, 242657, 727971, 2183913, 3154541, 9463623, 28390869]

約数ペア:

[(1, 28390869), (3, 9463623), (9, 3154541), (13, 2183913), (39, 727971), (117, 242657), (151, 188019), (453, 62673), (1359, 20891), (1607, 17667), (1963, 14463), (4821, 5889)]