201257847

素因数分解:

$3^2\times 7^2\times {\mathrm{456367}}^1$

素因数の和:456387

約数の個数: 18

約数和(自身を含む): 338168688

約数和(自身を除く): 136910841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456367, 1369101, 3194569, 4107303, 9583707, 22361983, 28751121, 67085949, 201257847]

約数ペア:

[(1, 201257847), (3, 67085949), (7, 28751121), (9, 22361983), (21, 9583707), (49, 4107303), (63, 3194569), (147, 1369101), (441, 456367)]