121776417

素因数分解:

$3^2\times 7^2\times {\mathrm{276137}}^1$

素因数の和:276157

約数の個数: 18

約数和(自身を含む): 204618258

約数和(自身を除く): 82841841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 276137, 828411, 1932959, 2485233, 5798877, 13530713, 17396631, 40592139, 121776417]

約数ペア:

[(1, 121776417), (3, 40592139), (7, 17396631), (9, 13530713), (21, 5798877), (49, 2485233), (63, 1932959), (147, 828411), (441, 276137)]