28698129

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 42561792

約数和(自身を除く): 13863663

約数列:

[1, 3, 9, 71, 97, 213, 291, 463, 639, 873, 1389, 4167, 6887, 20661, 32873, 44911, 61983, 98619, 134733, 295857, 404199, 3188681, 9566043, 28698129]

約数ペア:

[(1, 28698129), (3, 9566043), (9, 3188681), (71, 404199), (97, 295857), (213, 134733), (291, 98619), (463, 61983), (639, 44911), (873, 32873), (1389, 20661), (4167, 6887)]