27758295

素因数分解:

$3^4\times 5^1\times {\mathrm{68539}}^1$

素因数の和:68556

約数の個数: 20

約数和(自身を含む): 49760040

約数和(自身を除く): 22001745

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68539, 205617, 342695, 616851, 1028085, 1850553, 3084255, 5551659, 9252765, 27758295]

約数ペア:

[(1, 27758295), (3, 9252765), (5, 5551659), (9, 3084255), (15, 1850553), (27, 1028085), (45, 616851), (81, 342695), (135, 205617), (405, 68539)]