321018873

素因数分解:

$3^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{17921}}^1$

素因数の和:18784

約数の個数: 16

約数和(自身を含む): 489772416

約数和(自身を除く): 168753543

約数列:

[1, 3, 7, 21, 853, 2559, 5971, 17913, 17921, 53763, 125447, 376341, 15286613, 45859839, 107006291, 321018873]

約数ペア:

[(1, 321018873), (3, 107006291), (7, 45859839), (21, 15286613), (853, 376341), (2559, 125447), (5971, 53763), (17913, 17921)]