28405965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2789}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 52496640

約数和(自身を除く): 24090675

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2037, 2789, 3395, 8367, 10185, 13945, 19523, 41835, 58569, 97615, 270533, 292845, 811599, 1352665, 1893731, 4057995, 5681193, 9468655, 28405965]

約数ペア:

[(1, 28405965), (3, 9468655), (5, 5681193), (7, 4057995), (15, 1893731), (21, 1352665), (35, 811599), (97, 292845), (105, 270533), (291, 97615), (485, 58569), (679, 41835), (1455, 19523), (2037, 13945), (2789, 10185), (3395, 8367)]