11987406

素因数分解:

$2^1\times 3^3\times {\mathrm{221989}}^1$

素因数の和:222000

約数の個数: 16

約数和(自身を含む): 26638800

約数和(自身を除く): 14651394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 221989, 443978, 665967, 1331934, 1997901, 3995802, 5993703, 11987406]

約数ペア:

[(1, 11987406), (2, 5993703), (3, 3995802), (6, 1997901), (9, 1331934), (18, 665967), (27, 443978), (54, 221989)]