520089297

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{8543}}^1$

素因数の和:8789

約数の個数: 32

約数和(自身を含む): 857407488

約数和(自身を除く): 337318191

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1561, 2899, 4683, 8543, 8697, 20293, 25629, 59801, 60879, 111059, 179403, 333177, 777413, 1905089, 2332239, 5715267, 13335623, 24766157, 40006869, 74298471, 173363099, 520089297]

約数ペア:

[(1, 520089297), (3, 173363099), (7, 74298471), (13, 40006869), (21, 24766157), (39, 13335623), (91, 5715267), (223, 2332239), (273, 1905089), (669, 777413), (1561, 333177), (2899, 179403), (4683, 111059), (8543, 60879), (8697, 59801), (20293, 25629)]