8340423

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 13848576

約数和(自身を除く): 5508153

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 223, 273, 411, 669, 959, 1561, 1781, 2877, 2899, 4683, 5343, 8697, 12467, 20293, 30551, 37401, 60879, 91653, 213857, 397163, 641571, 1191489, 2780141, 8340423]

約数ペア:

[(1, 8340423), (3, 2780141), (7, 1191489), (13, 641571), (21, 397163), (39, 213857), (91, 91653), (137, 60879), (223, 37401), (273, 30551), (411, 20293), (669, 12467), (959, 8697), (1561, 5343), (1781, 4683), (2877, 2899)]