420121278

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{319727}}^1$

素因数の和:319808

約数の個数: 24

約数和(自身を含む): 922735008

約数和(自身を除く): 502613730

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 319727, 639454, 959181, 1918362, 2877543, 5755086, 23340071, 46680142, 70020213, 140040426, 210060639, 420121278]

約数ペア:

[(1, 420121278), (2, 210060639), (3, 140040426), (6, 70020213), (9, 46680142), (18, 23340071), (73, 5755086), (146, 2877543), (219, 1918362), (438, 959181), (657, 639454), (1314, 319727)]