31351749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 49641984

約数和(自身を除く): 18290235

約数列:

[1, 3, 11, 13, 33, 39, 107, 143, 321, 429, 683, 1177, 1391, 2049, 3531, 4173, 7513, 8879, 15301, 22539, 26637, 45903, 73081, 97669, 219243, 293007, 803891, 950053, 2411673, 2850159, 10450583, 31351749]

約数ペア:

[(1, 31351749), (3, 10450583), (11, 2850159), (13, 2411673), (33, 950053), (39, 803891), (107, 293007), (143, 219243), (321, 97669), (429, 73081), (683, 45903), (1177, 26637), (1391, 22539), (2049, 15301), (3531, 8879), (4173, 7513)]