28485093

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 47122432

約数和(自身を除く): 18637339

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 273, 453, 691, 1057, 1963, 2073, 3171, 4837, 5889, 8983, 13741, 14511, 26949, 41223, 62881, 104341, 188643, 313023, 730387, 1356433, 2191161, 4069299, 9495031, 28485093]

約数ペア:

[(1, 28485093), (3, 9495031), (7, 4069299), (13, 2191161), (21, 1356433), (39, 730387), (91, 313023), (151, 188643), (273, 104341), (453, 62881), (691, 41223), (1057, 26949), (1963, 14511), (2073, 13741), (3171, 8983), (4837, 5889)]