2913981

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 4634784

約数和(自身を除く): 1720803

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 461, 903, 1383, 2107, 3227, 6321, 9681, 19823, 22589, 59469, 67767, 138761, 416283, 971327, 2913981]

約数ペア:

[(1, 2913981), (3, 971327), (7, 416283), (21, 138761), (43, 67767), (49, 59469), (129, 22589), (147, 19823), (301, 9681), (461, 6321), (903, 3227), (1383, 2107)]