42479397

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{1321}}^1$

素因数の和:1730

約数の個数: 20

約数和(自身を含む): 63664876

約数和(自身を除く): 21185479

約数列:

[1, 3, 9, 27, 81, 397, 1191, 1321, 3573, 3963, 10719, 11889, 32157, 35667, 107001, 524437, 1573311, 4719933, 14159799, 42479397]

約数ペア:

[(1, 42479397), (3, 14159799), (9, 4719933), (27, 1573311), (81, 524437), (397, 107001), (1191, 35667), (1321, 32157), (3573, 11889), (3963, 10719)]