27697815

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 49536000

約数和(自身を除く): 21838185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1031, 1791, 2985, 3093, 5155, 5373, 8955, 9279, 15465, 26865, 27837, 46395, 139185, 205169, 615507, 1025845, 1846521, 3077535, 5539563, 9232605, 27697815]

約数ペア:

[(1, 27697815), (3, 9232605), (5, 5539563), (9, 3077535), (15, 1846521), (27, 1025845), (45, 615507), (135, 205169), (199, 139185), (597, 46395), (995, 27837), (1031, 26865), (1791, 15465), (2985, 9279), (3093, 8955), (5155, 5373)]