127727715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1949}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 217339200

約数和(自身を除く): 89611485

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 771, 1285, 1949, 3855, 4369, 5847, 9745, 13107, 21845, 29235, 33133, 65535, 99399, 165665, 496995, 500893, 1502679, 2504465, 7513395, 8515181, 25545543, 42575905, 127727715]

約数ペア:

[(1, 127727715), (3, 42575905), (5, 25545543), (15, 8515181), (17, 7513395), (51, 2504465), (85, 1502679), (255, 500893), (257, 496995), (771, 165665), (1285, 99399), (1949, 65535), (3855, 33133), (4369, 29235), (5847, 21845), (9745, 13107)]