208025013

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2153}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 327545856

約数和(自身を除く): 119520843

約数列:

[1, 3, 7, 21, 43, 107, 129, 301, 321, 749, 903, 2153, 2247, 4601, 6459, 13803, 15071, 32207, 45213, 92579, 96621, 230371, 277737, 648053, 691113, 1612597, 1944159, 4837791, 9905953, 29717859, 69341671, 208025013]

約数ペア:

[(1, 208025013), (3, 69341671), (7, 29717859), (21, 9905953), (43, 4837791), (107, 1944159), (129, 1612597), (301, 691113), (321, 648053), (749, 277737), (903, 230371), (2153, 96621), (2247, 92579), (4601, 45213), (6459, 32207), (13803, 15071)]