1947505959

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{657719}}^1$

素因数の和:657779

約数の個数: 24

約数和(自身を含む): 3283338240

約数和(自身を除く): 1335832281

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 657719, 1973157, 4604033, 5919471, 13812099, 30912793, 41436297, 92738379, 216389551, 278215137, 649168653, 1947505959]

約数ペア:

[(1, 1947505959), (3, 649168653), (7, 278215137), (9, 216389551), (21, 92738379), (47, 41436297), (63, 30912793), (141, 13812099), (329, 5919471), (423, 4604033), (987, 1973157), (2961, 657719)]