214521777

素因数分解:

$3^4\times {\mathrm{1237}}^1\times {\mathrm{2141}}^1$

素因数の和:3390

約数の個数: 20

約数和(自身を含む): 320867316

約数和(自身を除く): 106345539

約数列:

[1, 3, 9, 27, 81, 1237, 2141, 3711, 6423, 11133, 19269, 33399, 57807, 100197, 173421, 2648417, 7945251, 23835753, 71507259, 214521777]

約数ペア:

[(1, 214521777), (3, 71507259), (9, 23835753), (27, 7945251), (81, 2648417), (1237, 173421), (2141, 100197), (3711, 57807), (6423, 33399), (11133, 19269)]