78873669

素因数分解:

$3^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 136805760

約数和(自身を除く): 57932091

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 243, 267, 521, 567, 623, 801, 1563, 1701, 1869, 2403, 3647, 4689, 5607, 7209, 10941, 14067, 16821, 21627, 32823, 42201, 46369, 50463, 98469, 126603, 139107, 151389, 295407, 324583, 417321, 886221, 973749, 1251963, 2921247, 3755889, 8763741, 11267667, 26291223, 78873669]

約数ペア:

[(1, 78873669), (3, 26291223), (7, 11267667), (9, 8763741), (21, 3755889), (27, 2921247), (63, 1251963), (81, 973749), (89, 886221), (189, 417321), (243, 324583), (267, 295407), (521, 151389), (567, 139107), (623, 126603), (801, 98469), (1563, 50463), (1701, 46369), (1869, 42201), (2403, 32823), (3647, 21627), (4689, 16821), (5607, 14067), (7209, 10941)]