378072009

素因数分解:

$3^3\times 7^1\times {\mathrm{2000381}}^1$

素因数の和:2000397

約数の個数: 16

約数和(自身を含む): 640122240

約数和(自身を除く): 262050231

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2000381, 6001143, 14002667, 18003429, 42008001, 54010287, 126024003, 378072009]

約数ペア:

[(1, 378072009), (3, 126024003), (7, 54010287), (9, 42008001), (21, 18003429), (27, 14002667), (63, 6001143), (189, 2000381)]