81872469

素因数分解:

$3^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1931}}^1$

素因数の和:2617

約数の個数: 24

約数和(自身を含む): 135425472

約数和(自身を除く): 53553003

約数列:

[1, 3, 7, 9, 21, 63, 673, 1931, 2019, 4711, 5793, 6057, 13517, 14133, 17379, 40551, 42399, 121653, 1299563, 3898689, 9096941, 11696067, 27290823, 81872469]

約数ペア:

[(1, 81872469), (3, 27290823), (7, 11696067), (9, 9096941), (21, 3898689), (63, 1299563), (673, 121653), (1931, 42399), (2019, 40551), (4711, 17379), (5793, 14133), (6057, 13517)]