12861255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 23431680

約数和(自身を除く): 10570425

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3389, 3795, 10167, 16945, 37279, 50835, 77947, 111837, 186395, 233841, 389735, 559185, 857417, 1169205, 2572251, 4287085, 12861255]

約数ペア:

[(1, 12861255), (3, 4287085), (5, 2572251), (11, 1169205), (15, 857417), (23, 559185), (33, 389735), (55, 233841), (69, 186395), (115, 111837), (165, 77947), (253, 50835), (345, 37279), (759, 16945), (1265, 10167), (3389, 3795)]