2991897

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:914

約数の個数: 20

約数和(自身を含む): 4578640

約数和(自身を除く): 1586743

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 859, 1161, 2577, 3483, 7731, 23193, 36937, 69579, 110811, 332433, 997299, 2991897]

約数ペア:

[(1, 2991897), (3, 997299), (9, 332433), (27, 110811), (43, 69579), (81, 36937), (129, 23193), (387, 7731), (859, 3483), (1161, 2577)]