2431821

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 3841344

約数和(自身を除く): 1409523

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 233, 497, 699, 1491, 1631, 3479, 4893, 10437, 11417, 16543, 34251, 49629, 115801, 347403, 810607, 2431821]

約数ペア:

[(1, 2431821), (3, 810607), (7, 347403), (21, 115801), (49, 49629), (71, 34251), (147, 16543), (213, 11417), (233, 10437), (497, 4893), (699, 3479), (1491, 1631)]