13209780213

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1625419}}^1$

素因数の和:1625478

約数の個数: 32

約数和(自身を含む): 22885913600

約数和(自身を除く): 9676133387

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 1625419, 4876257, 11377933, 14628771, 34133799, 43886313, 69893017, 102401397, 209679051, 307204191, 489251119, 629037153, 1467753357, 1887111459, 4403260071, 13209780213]

約数ペア:

[(1, 13209780213), (3, 4403260071), (7, 1887111459), (9, 1467753357), (21, 629037153), (27, 489251119), (43, 307204191), (63, 209679051), (129, 102401397), (189, 69893017), (301, 43886313), (387, 34133799), (903, 14628771), (1161, 11377933), (2709, 4876257), (8127, 1625419)]