28064463

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 46256640

約数和(自身を除く): 18192177

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1901, 2109, 4921, 5703, 13307, 14763, 36119, 39921, 70337, 108357, 211011, 252833, 492359, 758499, 1336403, 1477077, 4009209, 9354821, 28064463]

約数ペア:

[(1, 28064463), (3, 9354821), (7, 4009209), (19, 1477077), (21, 1336403), (37, 758499), (57, 492359), (111, 252833), (133, 211011), (259, 108357), (399, 70337), (703, 39921), (777, 36119), (1901, 14763), (2109, 13307), (4921, 5703)]