245142009

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{204797}}^1$

素因数の和:204829

約数の個数: 24

約数和(自身を含む): 425979840

約数和(自身を除く): 180837831

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 204797, 614391, 1433579, 1843173, 3891143, 4300737, 11673429, 12902211, 27238001, 35020287, 81714003, 245142009]

約数ペア:

[(1, 245142009), (3, 81714003), (7, 35020287), (9, 27238001), (19, 12902211), (21, 11673429), (57, 4300737), (63, 3891143), (133, 1843173), (171, 1433579), (399, 614391), (1197, 204797)]