16000509

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 25116480

約数和(自身を除く): 9115971

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1223, 1869, 3669, 4361, 8561, 13083, 25683, 59927, 108847, 179781, 326541, 761929, 2285787, 5333503, 16000509]

約数ペア:

[(1, 16000509), (3, 5333503), (7, 2285787), (21, 761929), (49, 326541), (89, 179781), (147, 108847), (267, 59927), (623, 25683), (1223, 13083), (1869, 8561), (3669, 4361)]