12666639

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 17424000

約数和(自身を除く): 4757361

約数列:

[1, 3, 43, 129, 149, 447, 659, 1977, 6407, 19221, 28337, 85011, 98191, 294573, 4222213, 12666639]

約数ペア:

[(1, 12666639), (3, 4222213), (43, 294573), (129, 98191), (149, 85011), (447, 28337), (659, 19221), (1977, 6407)]