247560021

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{450929}}^1$

素因数の和:450996

約数の個数: 12

約数和(自身を含む): 363449580

約数和(自身を除く): 115889559

約数列:

[1, 3, 9, 61, 183, 549, 450929, 1352787, 4058361, 27506669, 82520007, 247560021]

約数ペア:

[(1, 247560021), (3, 82520007), (9, 27506669), (61, 4058361), (183, 1352787), (549, 450929)]