1818513

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 2782208

約数和(自身を除く): 963695

約数列:

[1, 3, 9, 37, 43, 111, 127, 129, 333, 381, 387, 1143, 1591, 4699, 4773, 5461, 14097, 14319, 16383, 42291, 49149, 202057, 606171, 1818513]

約数ペア:

[(1, 1818513), (3, 606171), (9, 202057), (37, 49149), (43, 42291), (111, 16383), (127, 14319), (129, 14097), (333, 5461), (381, 4773), (387, 4699), (1143, 1591)]