320202399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 477757440

約数和(自身を除く): 157555041

約数列:

[1, 3, 11, 33, 47, 141, 431, 479, 517, 1293, 1437, 1551, 4741, 5269, 14223, 15807, 20257, 22513, 60771, 67539, 206449, 222827, 247643, 619347, 668481, 742929, 2270939, 6812817, 9703103, 29109309, 106734133, 320202399]

約数ペア:

[(1, 320202399), (3, 106734133), (11, 29109309), (33, 9703103), (47, 6812817), (141, 2270939), (431, 742929), (479, 668481), (517, 619347), (1293, 247643), (1437, 222827), (1551, 206449), (4741, 67539), (5269, 60771), (14223, 22513), (15807, 20257)]