4640391

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 7772960

約数和(自身を除く): 3132569

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1009, 1533, 3027, 4599, 7063, 9081, 21189, 63567, 73657, 220971, 515599, 662913, 1546797, 4640391]

約数ペア:

[(1, 4640391), (3, 1546797), (7, 662913), (9, 515599), (21, 220971), (63, 73657), (73, 63567), (219, 21189), (511, 9081), (657, 7063), (1009, 4599), (1533, 3027)]