40006989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21269}}^1$

素因数の和:21305

約数の個数: 24

約数和(自身を含む): 66362400

約数和(自身を除く): 26355411

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 21269, 63807, 191421, 233959, 404111, 701877, 1212333, 2105631, 3636999, 4445221, 13335663, 40006989]

約数ペア:

[(1, 40006989), (3, 13335663), (9, 4445221), (11, 3636999), (19, 2105631), (33, 1212333), (57, 701877), (99, 404111), (171, 233959), (209, 191421), (627, 63807), (1881, 21269)]