27999231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23159}}^1$

素因数の和:23206

約数の個数: 16

約数和(自身を含む): 41502720

約数和(自身を除く): 13503489

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23159, 69477, 301067, 717929, 903201, 2153787, 9333077, 27999231]

約数ペア:

[(1, 27999231), (3, 9333077), (13, 2153787), (31, 903201), (39, 717929), (93, 301067), (403, 69477), (1209, 23159)]