1866519

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 2875392

約数和(自身を除く): 1008873

約数列:

[1, 3, 9, 23, 69, 71, 127, 207, 213, 381, 639, 1143, 1633, 2921, 4899, 8763, 9017, 14697, 26289, 27051, 81153, 207391, 622173, 1866519]

約数ペア:

[(1, 1866519), (3, 622173), (9, 207391), (23, 81153), (69, 27051), (71, 26289), (127, 14697), (207, 9017), (213, 8763), (381, 4899), (639, 2921), (1143, 1633)]