78805713

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 123780096

約数和(自身を除く): 44974383

約数列:

[1, 3, 7, 21, 43, 129, 197, 301, 443, 591, 903, 1329, 1379, 3101, 4137, 8471, 9303, 19049, 25413, 57147, 59297, 87271, 133343, 177891, 261813, 400029, 610897, 1832691, 3752653, 11257959, 26268571, 78805713]

約数ペア:

[(1, 78805713), (3, 26268571), (7, 11257959), (21, 3752653), (43, 1832691), (129, 610897), (197, 400029), (301, 261813), (443, 177891), (591, 133343), (903, 87271), (1329, 59297), (1379, 57147), (3101, 25413), (4137, 19049), (8471, 9303)]