11578815

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 9157185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 431, 597, 995, 1293, 1791, 2155, 2985, 3879, 5373, 6465, 8955, 11637, 19395, 26865, 58185, 85769, 257307, 428845, 771921, 1286535, 2315763, 3859605, 11578815]

約数ペア:

[(1, 11578815), (3, 3859605), (5, 2315763), (9, 1286535), (15, 771921), (27, 428845), (45, 257307), (135, 85769), (199, 58185), (431, 26865), (597, 19395), (995, 11637), (1293, 8955), (1791, 6465), (2155, 5373), (2985, 3879)]