2681181

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 20

約数和(自身を含む): 4065600

約数和(自身を除く): 1384419

約数列:

[1, 3, 9, 27, 79, 81, 237, 419, 711, 1257, 2133, 3771, 6399, 11313, 33101, 33939, 99303, 297909, 893727, 2681181]

約数ペア:

[(1, 2681181), (3, 893727), (9, 297909), (27, 99303), (79, 33939), (81, 33101), (237, 11313), (419, 6399), (711, 3771), (1257, 2133)]