28870767

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 43155840

約数和(自身を除く): 14285073

約数列:

[1, 3, 9, 37, 111, 181, 333, 479, 543, 1437, 1629, 4311, 6697, 17723, 20091, 53169, 60273, 86699, 159507, 260097, 780291, 3207863, 9623589, 28870767]

約数ペア:

[(1, 28870767), (3, 9623589), (9, 3207863), (37, 780291), (111, 260097), (181, 159507), (333, 86699), (479, 60273), (543, 53169), (1437, 20091), (1629, 17723), (4311, 6697)]