418308009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1048391}}^1$

素因数の和:1048420

約数の個数: 16

約数和(自身を含む): 670970880

約数和(自身を除く): 252662871

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1048391, 3145173, 7338737, 19919429, 22016211, 59758287, 139436003, 418308009]

約数ペア:

[(1, 418308009), (3, 139436003), (7, 59758287), (19, 22016211), (21, 19919429), (57, 7338737), (133, 3145173), (399, 1048391)]