131985469

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 171118332

約数和(自身を除く): 39132863

約数列:

[1, 7, 11, 49, 77, 113, 121, 197, 539, 791, 847, 1243, 1379, 2167, 5537, 5929, 8701, 9653, 13673, 15169, 22261, 23837, 60907, 95711, 106183, 155827, 166859, 244871, 669977, 1090789, 1168013, 1714097, 2693581, 11998679, 18855067, 131985469]

約数ペア:

[(1, 131985469), (7, 18855067), (11, 11998679), (49, 2693581), (77, 1714097), (113, 1168013), (121, 1090789), (197, 669977), (539, 244871), (791, 166859), (847, 155827), (1243, 106183), (1379, 95711), (2167, 60907), (5537, 23837), (5929, 22261), (8701, 15169), (9653, 13673)]