2805621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 4730880

約数和(自身を除く): 1925259

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 239, 273, 301, 559, 717, 903, 1673, 1677, 3107, 3913, 5019, 9321, 10277, 11739, 21749, 30831, 65247, 71939, 133601, 215817, 400803, 935207, 2805621]

約数ペア:

[(1, 2805621), (3, 935207), (7, 400803), (13, 215817), (21, 133601), (39, 71939), (43, 65247), (91, 30831), (129, 21749), (239, 11739), (273, 10277), (301, 9321), (559, 5019), (717, 3913), (903, 3107), (1673, 1677)]