28056663

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 41698800

約数和(自身を除く): 13642137

約数列:

[1, 3, 9, 53, 131, 159, 393, 449, 477, 1179, 1347, 4041, 6943, 20829, 23797, 58819, 62487, 71391, 176457, 214173, 529371, 3117407, 9352221, 28056663]

約数ペア:

[(1, 28056663), (3, 9352221), (9, 3117407), (53, 529371), (131, 214173), (159, 176457), (393, 71391), (449, 62487), (477, 58819), (1179, 23797), (1347, 20829), (4041, 6943)]