28277139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23159}}^1$

素因数の和:23210

約数の個数: 16

約数和(自身を含む): 42243840

約数和(自身を除く): 13966701

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 23159, 69477, 254749, 764247, 856883, 2570649, 9425713, 28277139]

約数ペア:

[(1, 28277139), (3, 9425713), (11, 2570649), (33, 856883), (37, 764247), (111, 254749), (407, 69477), (1221, 23159)]