27904331

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16139}}^1$

素因数の和:16178

約数の個数: 16

約数和(自身を含む): 36153600

約数和(自身を除く): 8249269

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16139, 112973, 209807, 306641, 1468649, 2146487, 3986333, 27904331]

約数ペア:

[(1, 27904331), (7, 3986333), (13, 2146487), (19, 1468649), (91, 306641), (133, 209807), (247, 112973), (1729, 16139)]