28274145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{110879}}^1$

素因数の和:110904

約数の個数: 16

約数和(自身を含む): 47900160

約数和(自身を除く): 19626015

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 110879, 332637, 554395, 1663185, 1884943, 5654829, 9424715, 28274145]

約数ペア:

[(1, 28274145), (3, 9424715), (5, 5654829), (15, 1884943), (17, 1663185), (51, 554395), (85, 332637), (255, 110879)]