28147491

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{467}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 42076944

約数和(自身を除く): 13929453

約数列:

[1, 3, 9, 37, 111, 181, 333, 467, 543, 1401, 1629, 4203, 6697, 17279, 20091, 51837, 60273, 84527, 155511, 253581, 760743, 3127499, 9382497, 28147491]

約数ペア:

[(1, 28147491), (3, 9382497), (9, 3127499), (37, 760743), (111, 253581), (181, 155511), (333, 84527), (467, 60273), (543, 51837), (1401, 20091), (1629, 17279), (4203, 6697)]