243338781

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{967}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 388067328

約数和(自身を除く): 144728547

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 521, 967, 1563, 2901, 3647, 6769, 10941, 11983, 20307, 22241, 35949, 66723, 83881, 155687, 251643, 467061, 503807, 1511421, 3526649, 10579947, 11587561, 34762683, 81112927, 243338781]

約数ペア:

[(1, 243338781), (3, 81112927), (7, 34762683), (21, 11587561), (23, 10579947), (69, 3526649), (161, 1511421), (483, 503807), (521, 467061), (967, 251643), (1563, 155687), (2901, 83881), (3647, 66723), (6769, 35949), (10941, 22241), (11983, 20307)]