209745731

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 242262720

約数和(自身を除く): 32516989

約数列:

[1, 13, 19, 83, 169, 247, 787, 1079, 1577, 3211, 10231, 14027, 14953, 20501, 65321, 133003, 194389, 266513, 849173, 1241099, 2527057, 11039249, 16134287, 209745731]

約数ペア:

[(1, 209745731), (13, 16134287), (19, 11039249), (83, 2527057), (169, 1241099), (247, 849173), (787, 266513), (1079, 194389), (1577, 133003), (3211, 65321), (10231, 20501), (14027, 14953)]