1288588749

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1979399}}^1$

素因数の和:1979440

約数の個数: 16

約数和(自身を含む): 2026905600

約数和(自身を除く): 738316851

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1979399, 5938197, 13855793, 41567379, 61361369, 184084107, 429529583, 1288588749]

約数ペア:

[(1, 1288588749), (3, 429529583), (7, 184084107), (21, 61361369), (31, 41567379), (93, 13855793), (217, 5938197), (651, 1979399)]