249390057

素因数分解:

$3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{4049}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 387828000

約数和(自身を除く): 138437943

約数列:

[1, 3, 7, 21, 49, 147, 419, 1257, 2933, 4049, 8799, 12147, 20531, 28343, 61593, 85029, 198401, 595203, 1696531, 5089593, 11875717, 35627151, 83130019, 249390057]

約数ペア:

[(1, 249390057), (3, 83130019), (7, 35627151), (21, 11875717), (49, 5089593), (147, 1696531), (419, 595203), (1257, 198401), (2933, 85029), (4049, 61593), (8799, 28343), (12147, 20531)]