31243995

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1163}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 55872000

約数和(自身を除く): 24628005

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1163, 1791, 2985, 3489, 5373, 5815, 8955, 10467, 17445, 26865, 31401, 52335, 157005, 231437, 694311, 1157185, 2082933, 3471555, 6248799, 10414665, 31243995]

約数ペア:

[(1, 31243995), (3, 10414665), (5, 6248799), (9, 3471555), (15, 2082933), (27, 1157185), (45, 694311), (135, 231437), (199, 157005), (597, 52335), (995, 31401), (1163, 26865), (1791, 17445), (2985, 10467), (3489, 8955), (5373, 5815)]