2165787

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 3420144

約数和(自身を除く): 1254357

約数列:

[1, 3, 9, 13, 39, 107, 117, 173, 321, 519, 963, 1391, 1557, 2249, 4173, 6747, 12519, 18511, 20241, 55533, 166599, 240643, 721929, 2165787]

約数ペア:

[(1, 2165787), (3, 721929), (9, 240643), (13, 166599), (39, 55533), (107, 20241), (117, 18511), (173, 12519), (321, 6747), (519, 4173), (963, 2249), (1391, 1557)]