55999881

素因数分解:

$3^2\times 7^1\times {\mathrm{888887}}^1$

素因数の和:888900

約数の個数: 12

約数和(自身を含む): 92444352

約数和(自身を除く): 36444471

約数列:

[1, 3, 7, 9, 21, 63, 888887, 2666661, 6222209, 7999983, 18666627, 55999881]

約数ペア:

[(1, 55999881), (3, 18666627), (7, 7999983), (9, 6222209), (21, 2666661), (63, 888887)]