201382209

素因数分解:

$3^2\times 7^2\times {\mathrm{456649}}^1$

素因数の和:456669

約数の個数: 18

約数和(自身を含む): 338377650

約数和(自身を除く): 136995441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456649, 1369947, 3196543, 4109841, 9589629, 22375801, 28768887, 67127403, 201382209]

約数ペア:

[(1, 201382209), (3, 67127403), (7, 28768887), (9, 22375801), (21, 9589629), (49, 4109841), (63, 3196543), (147, 1369947), (441, 456649)]