27640161

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 41656680

約数和(自身を除く): 14016519

約数列:

[1, 3, 9, 29, 87, 137, 261, 411, 773, 1233, 2319, 3973, 6957, 11919, 22417, 35757, 67251, 105901, 201753, 317703, 953109, 3071129, 9213387, 27640161]

約数ペア:

[(1, 27640161), (3, 9213387), (9, 3071129), (29, 953109), (87, 317703), (137, 201753), (261, 105901), (411, 67251), (773, 35757), (1233, 22417), (2319, 11919), (3973, 6957)]