2156841

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 3502080

約数和(自身を除く): 1345239

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 127, 153, 333, 381, 459, 629, 999, 1143, 1887, 2159, 3429, 4699, 5661, 6477, 14097, 16983, 19431, 42291, 58293, 79883, 126873, 239649, 718947, 2156841]

約数ペア:

[(1, 2156841), (3, 718947), (9, 239649), (17, 126873), (27, 79883), (37, 58293), (51, 42291), (111, 19431), (127, 16983), (153, 14097), (333, 6477), (381, 5661), (459, 4699), (629, 3429), (999, 2159), (1143, 1887)]