81092011

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 113073408

約数和(自身を除く): 31981397

約数列:

[1, 7, 11, 13, 49, 71, 77, 91, 143, 163, 497, 539, 637, 781, 923, 1001, 1141, 1793, 2119, 3479, 5467, 6461, 7007, 7987, 10153, 11573, 12551, 14833, 23309, 38269, 45227, 71071, 81011, 87857, 103831, 127303, 150449, 163163, 497497, 567077, 891121, 1053143, 1142141, 1654939, 6237847, 7372001, 11584573, 81092011]

約数ペア:

[(1, 81092011), (7, 11584573), (11, 7372001), (13, 6237847), (49, 1654939), (71, 1142141), (77, 1053143), (91, 891121), (143, 567077), (163, 497497), (497, 163163), (539, 150449), (637, 127303), (781, 103831), (923, 87857), (1001, 81011), (1141, 71071), (1793, 45227), (2119, 38269), (3479, 23309), (5467, 14833), (6461, 12551), (7007, 11573), (7987, 10153)]