200538639

素因数分解:

$3^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2161}}^1$

素因数の和:2668

約数の個数: 32

約数和(自身を含む): 340385280

約数和(自身を除く): 139846641

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 491, 1473, 2161, 3437, 4419, 6483, 10311, 13257, 15127, 19449, 30933, 45381, 58347, 92799, 136143, 408429, 1061051, 3183153, 7427357, 9549459, 22282071, 28648377, 66846213, 200538639]

約数ペア:

[(1, 200538639), (3, 66846213), (7, 28648377), (9, 22282071), (21, 9549459), (27, 7427357), (63, 3183153), (189, 1061051), (491, 408429), (1473, 136143), (2161, 92799), (3437, 58347), (4419, 45381), (6483, 30933), (10311, 19449), (13257, 15127)]