201818421

素因数分解:

$3^2\times 7^1\times {\mathrm{3203467}}^1$

素因数の和:3203480

約数の個数: 12

約数和(自身を含む): 333160672

約数和(自身を除く): 131342251

約数列:

[1, 3, 7, 9, 21, 63, 3203467, 9610401, 22424269, 28831203, 67272807, 201818421]

約数ペア:

[(1, 201818421), (3, 67272807), (7, 28831203), (9, 22424269), (21, 9610401), (63, 3203467)]