7928073

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 12242880

約数和(自身を除く): 4314807

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 653, 1349, 1959, 4047, 5877, 12141, 12407, 37221, 46363, 111663, 139089, 417267, 880897, 2642691, 7928073]

約数ペア:

[(1, 7928073), (3, 2642691), (9, 880897), (19, 417267), (57, 139089), (71, 111663), (171, 46363), (213, 37221), (639, 12407), (653, 12141), (1349, 5877), (1959, 4047)]