2947959

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 4940832

約数和(自身を除く): 1992873

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 641, 657, 1533, 1923, 4487, 4599, 5769, 13461, 40383, 46793, 140379, 327551, 421137, 982653, 2947959]

約数ペア:

[(1, 2947959), (3, 982653), (7, 421137), (9, 327551), (21, 140379), (63, 46793), (73, 40383), (219, 13461), (511, 5769), (641, 4599), (657, 4487), (1533, 1923)]