28706745

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 47232000

約数和(自身を除く): 18525255

約数列:

[1, 3, 5, 15, 59, 163, 177, 199, 295, 489, 597, 815, 885, 995, 2445, 2985, 9617, 11741, 28851, 32437, 35223, 48085, 58705, 97311, 144255, 162185, 176115, 486555, 1913783, 5741349, 9568915, 28706745]

約数ペア:

[(1, 28706745), (3, 9568915), (5, 5741349), (15, 1913783), (59, 486555), (163, 176115), (177, 162185), (199, 144255), (295, 97311), (489, 58705), (597, 48085), (815, 35223), (885, 32437), (995, 28851), (2445, 11741), (2985, 9617)]