210807009

素因数分解:

$3^3\times 7^1\times {\mathrm{1115381}}^1$

素因数の和:1115397

約数の個数: 16

約数和(自身を含む): 356922240

約数和(自身を除く): 146115231

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1115381, 3346143, 7807667, 10038429, 23423001, 30115287, 70269003, 210807009]

約数ペア:

[(1, 210807009), (3, 70269003), (7, 30115287), (9, 23423001), (21, 10038429), (27, 7807667), (63, 3346143), (189, 1115381)]