28122129

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1546

約数の個数: 36

約数和(自身を含む): 48384336

約数和(自身を除く): 20262207

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 1483, 2107, 2709, 4449, 6321, 10381, 13347, 18963, 31143, 63769, 72667, 93429, 191307, 218001, 446383, 573921, 654003, 1339149, 3124681, 4017447, 9374043, 28122129]

約数ペア:

[(1, 28122129), (3, 9374043), (7, 4017447), (9, 3124681), (21, 1339149), (43, 654003), (49, 573921), (63, 446383), (129, 218001), (147, 191307), (301, 93429), (387, 72667), (441, 63769), (903, 31143), (1483, 18963), (2107, 13347), (2709, 10381), (4449, 6321)]