28749567

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7321}}^1$

素因数の和:7359

約数の個数: 32

約数和(自身を含む): 50609664

約数和(自身を除く): 21860097

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 7321, 21963, 51247, 80531, 124457, 153741, 241593, 373371, 563717, 871199, 1369027, 1691151, 2613597, 4107081, 9583189, 28749567]

約数ペア:

[(1, 28749567), (3, 9583189), (7, 4107081), (11, 2613597), (17, 1691151), (21, 1369027), (33, 871199), (51, 563717), (77, 373371), (119, 241593), (187, 153741), (231, 124457), (357, 80531), (561, 51247), (1309, 21963), (3927, 7321)]