28329639

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 41530752

約数和(自身を除く): 13201113

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 787, 923, 2361, 2769, 10231, 11999, 30693, 35997, 55877, 133003, 167631, 399009, 726401, 2179203, 9443213, 28329639]

約数ペア:

[(1, 28329639), (3, 9443213), (13, 2179203), (39, 726401), (71, 399009), (169, 167631), (213, 133003), (507, 55877), (787, 35997), (923, 30693), (2361, 11999), (2769, 10231)]