2977191

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 5151432

約数和(自身を除く): 2174241

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 157, 301, 387, 441, 471, 903, 1099, 1413, 2107, 2709, 3297, 6321, 6751, 7693, 9891, 18963, 20253, 23079, 47257, 60759, 69237, 141771, 330799, 425313, 992397, 2977191]

約数ペア:

[(1, 2977191), (3, 992397), (7, 425313), (9, 330799), (21, 141771), (43, 69237), (49, 60759), (63, 47257), (129, 23079), (147, 20253), (157, 18963), (301, 9891), (387, 7693), (441, 6751), (471, 6321), (903, 3297), (1099, 2709), (1413, 2107)]