133027209

素因数分解:

$3^2\times 7^2\times {\mathrm{301649}}^1$

素因数の和:301669

約数の個数: 18

約数和(自身を含む): 223522650

約数和(自身を除く): 90495441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 301649, 904947, 2111543, 2714841, 6334629, 14780801, 19003887, 44342403, 133027209]

約数ペア:

[(1, 133027209), (3, 44342403), (7, 19003887), (9, 14780801), (21, 6334629), (49, 2714841), (63, 2111543), (147, 904947), (441, 301649)]