81418401

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2467}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 124485920

約数和(自身を除く): 43067519

約数列:

[1, 3, 9, 19, 57, 171, 193, 579, 1737, 2467, 3667, 7401, 11001, 22203, 33003, 46873, 140619, 421857, 476131, 1428393, 4285179, 9046489, 27139467, 81418401]

約数ペア:

[(1, 81418401), (3, 27139467), (9, 9046489), (19, 4285179), (57, 1428393), (171, 476131), (193, 421857), (579, 140619), (1737, 46873), (2467, 33003), (3667, 22203), (7401, 11001)]