28173951

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2131}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 44234736

約数和(自身を除く): 16060785

約数列:

[1, 3, 9, 13, 39, 113, 117, 339, 1017, 1469, 2131, 4407, 6393, 13221, 19179, 27703, 83109, 240803, 249327, 722409, 2167227, 3130439, 9391317, 28173951]

約数ペア:

[(1, 28173951), (3, 9391317), (9, 3130439), (13, 2167227), (39, 722409), (113, 249327), (117, 240803), (339, 83109), (1017, 27703), (1469, 19179), (2131, 13221), (4407, 6393)]