28706613

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15661}}^1$

素因数の和:15724

約数の個数: 16

約数和(自身を含む): 42099456

約数和(自身を除く): 13392843

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 15661, 46983, 203593, 610779, 736067, 2208201, 9568871, 28706613]

約数ペア:

[(1, 28706613), (3, 9568871), (13, 2208201), (39, 736067), (47, 610779), (141, 203593), (611, 46983), (1833, 15661)]