47997987

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 74269440

約数和(自身を除く): 26271453

約数列:

[1, 3, 17, 23, 29, 51, 69, 83, 87, 249, 289, 391, 493, 667, 867, 1173, 1411, 1479, 1909, 2001, 2407, 4233, 5727, 6647, 7221, 8381, 11339, 19941, 23987, 25143, 32453, 34017, 40919, 55361, 71961, 97359, 122757, 166083, 192763, 551701, 578289, 695623, 941137, 1655103, 2086869, 2823411, 15999329, 47997987]

約数ペア:

[(1, 47997987), (3, 15999329), (17, 2823411), (23, 2086869), (29, 1655103), (51, 941137), (69, 695623), (83, 578289), (87, 551701), (249, 192763), (289, 166083), (391, 122757), (493, 97359), (667, 71961), (867, 55361), (1173, 40919), (1411, 34017), (1479, 32453), (1909, 25143), (2001, 23987), (2407, 19941), (4233, 11339), (5727, 8381), (6647, 7221)]