8981865

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 16848000

約数和(自身を除く): 7866135

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 59, 85, 153, 177, 199, 255, 295, 531, 597, 765, 885, 995, 1003, 1791, 2655, 2985, 3009, 3383, 5015, 8955, 9027, 10149, 11741, 15045, 16915, 30447, 35223, 45135, 50745, 58705, 105669, 152235, 176115, 199597, 528345, 598791, 997985, 1796373, 2993955, 8981865]

約数ペア:

[(1, 8981865), (3, 2993955), (5, 1796373), (9, 997985), (15, 598791), (17, 528345), (45, 199597), (51, 176115), (59, 152235), (85, 105669), (153, 58705), (177, 50745), (199, 45135), (255, 35223), (295, 30447), (531, 16915), (597, 15045), (765, 11741), (885, 10149), (995, 9027), (1003, 8955), (1791, 5015), (2655, 3383), (2985, 3009)]