28646457

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2089}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 43739520

約数和(自身を除く): 15093063

約数列:

[1, 3, 7, 21, 653, 1959, 2089, 4571, 6267, 13713, 14623, 43869, 1364117, 4092351, 9548819, 28646457]

約数ペア:

[(1, 28646457), (3, 9548819), (7, 4092351), (21, 1364117), (653, 43869), (1959, 14623), (2089, 13713), (4571, 6267)]