2590821

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 4004000

約数和(自身を除く): 1413179

約数列:

[1, 3, 9, 19, 57, 109, 139, 171, 327, 417, 981, 1251, 2071, 2641, 6213, 7923, 15151, 18639, 23769, 45453, 136359, 287869, 863607, 2590821]

約数ペア:

[(1, 2590821), (3, 863607), (9, 287869), (19, 136359), (57, 45453), (109, 23769), (139, 18639), (171, 15151), (327, 7923), (417, 6213), (981, 2641), (1251, 2071)]