8989981

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 12295584

約数和(自身を除く): 3305603

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 1283, 7007, 8981, 14113, 16679, 62867, 98791, 116753, 183469, 691537, 817271, 1284283, 8989981]

約数ペア:

[(1, 8989981), (7, 1284283), (11, 817271), (13, 691537), (49, 183469), (77, 116753), (91, 98791), (143, 62867), (539, 16679), (637, 14113), (1001, 8981), (1283, 7007)]