268358913

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{46663}}^1$

素因数の和:46746

約数の個数: 20

約数和(自身を含む): 406536768

約数和(自身を除く): 138177855

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 46663, 139989, 419967, 1259901, 3313073, 3779703, 9939219, 29817657, 89452971, 268358913]

約数ペア:

[(1, 268358913), (3, 89452971), (9, 29817657), (27, 9939219), (71, 3779703), (81, 3313073), (213, 1259901), (639, 419967), (1917, 139989), (5751, 46663)]