30587787

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{4243}}^1$

素因数の和:4344

約数の個数: 20

約数和(自身を含む): 46217160

約数和(自身を除く): 15629373

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 4243, 7209, 12729, 38187, 114561, 343683, 377627, 1132881, 3398643, 10195929, 30587787]

約数ペア:

[(1, 30587787), (3, 10195929), (9, 3398643), (27, 1132881), (81, 377627), (89, 343683), (267, 114561), (801, 38187), (2403, 12729), (4243, 7209)]