209782815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{6389}}^1$

素因数の和:6607

約数の個数: 32

約数和(自身を含む): 368064000

約数和(自身を除く): 158281185

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 995, 2189, 2985, 6389, 6567, 10945, 19167, 31945, 32835, 70279, 95835, 210837, 351395, 1054185, 1271411, 3814233, 6357055, 13985521, 19071165, 41956563, 69927605, 209782815]

約数ペア:

[(1, 209782815), (3, 69927605), (5, 41956563), (11, 19071165), (15, 13985521), (33, 6357055), (55, 3814233), (165, 1271411), (199, 1054185), (597, 351395), (995, 210837), (2189, 95835), (2985, 70279), (6389, 32835), (6567, 31945), (10945, 19167)]