842775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 1477584

約数和(自身を除く): 634809

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 661, 1275, 1983, 3305, 9915, 11237, 16525, 33711, 49575, 56185, 168555, 280925, 842775]

約数ペア:

[(1, 842775), (3, 280925), (5, 168555), (15, 56185), (17, 49575), (25, 33711), (51, 16525), (75, 11237), (85, 9915), (255, 3305), (425, 1983), (661, 1275)]