18236127

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 30403072

約数和(自身を除く): 12166945

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 997, 1407, 2613, 2991, 6097, 6979, 12961, 18291, 20937, 38883, 66799, 90727, 200397, 272181, 467593, 868387, 1402779, 2605161, 6078709, 18236127]

約数ペア:

[(1, 18236127), (3, 6078709), (7, 2605161), (13, 1402779), (21, 868387), (39, 467593), (67, 272181), (91, 200397), (201, 90727), (273, 66799), (469, 38883), (871, 20937), (997, 18291), (1407, 12961), (2613, 6979), (2991, 6097)]