2687111

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 3392640

約数和(自身を除く): 705529

約数列:

[1, 7, 29, 31, 49, 61, 203, 217, 427, 899, 1421, 1519, 1769, 1891, 2989, 6293, 12383, 13237, 44051, 54839, 86681, 92659, 383873, 2687111]

約数ペア:

[(1, 2687111), (7, 383873), (29, 92659), (31, 86681), (49, 54839), (61, 44051), (203, 13237), (217, 12383), (427, 6293), (899, 2989), (1421, 1891), (1519, 1769)]