13258971

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 22581504

約数和(自身を除く): 9322533

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 647, 759, 891, 1863, 1941, 2277, 5823, 6831, 7117, 14881, 17469, 20493, 21351, 44643, 52407, 64053, 133929, 163691, 192159, 401787, 491073, 576477, 1205361, 1473219, 4419657, 13258971]

約数ペア:

[(1, 13258971), (3, 4419657), (9, 1473219), (11, 1205361), (23, 576477), (27, 491073), (33, 401787), (69, 192159), (81, 163691), (99, 133929), (207, 64053), (253, 52407), (297, 44643), (621, 21351), (647, 20493), (759, 17469), (891, 14881), (1863, 7117), (1941, 6831), (2277, 5823)]