870836139

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 1347424000

約数和(自身を除く): 476587861

約数列:

[1, 3, 9, 19, 57, 157, 163, 171, 199, 471, 489, 597, 1413, 1467, 1791, 2983, 3097, 3781, 8949, 9291, 11343, 25591, 26847, 27873, 31243, 32437, 34029, 76773, 93729, 97311, 230319, 281187, 291933, 486229, 593617, 616303, 1458687, 1780851, 1848909, 4376061, 5092609, 5342553, 5546727, 15277827, 45833481, 96759571, 290278713, 870836139]

約数ペア:

[(1, 870836139), (3, 290278713), (9, 96759571), (19, 45833481), (57, 15277827), (157, 5546727), (163, 5342553), (171, 5092609), (199, 4376061), (471, 1848909), (489, 1780851), (597, 1458687), (1413, 616303), (1467, 593617), (1791, 486229), (2983, 291933), (3097, 281187), (3781, 230319), (8949, 97311), (9291, 93729), (11343, 76773), (25591, 34029), (26847, 32437), (27873, 31243)]