2821041

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 4211520

約数和(自身を除く): 1390479

約数列:

[1, 3, 9, 27, 163, 489, 641, 1467, 1923, 4401, 5769, 17307, 104483, 313449, 940347, 2821041]

約数ペア:

[(1, 2821041), (3, 940347), (9, 313449), (27, 104483), (163, 17307), (489, 5769), (641, 4401), (1467, 1923)]