28340913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 42127360

約数和(自身を除く): 13786447

約数列:

[1, 3, 19, 31, 43, 57, 93, 129, 373, 589, 817, 1119, 1333, 1767, 2451, 3999, 7087, 11563, 16039, 21261, 25327, 34689, 48117, 75981, 219697, 304741, 497209, 659091, 914223, 1491627, 9446971, 28340913]

約数ペア:

[(1, 28340913), (3, 9446971), (19, 1491627), (31, 914223), (43, 659091), (57, 497209), (93, 304741), (129, 219697), (373, 75981), (589, 48117), (817, 34689), (1119, 25327), (1333, 21261), (1767, 16039), (2451, 11563), (3999, 7087)]