6568821

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 10942464

約数和(自身を除く): 4373643

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 821, 889, 1143, 2463, 2667, 5747, 7389, 8001, 17241, 51723, 104267, 312801, 729869, 938403, 2189607, 6568821]

約数ペア:

[(1, 6568821), (3, 2189607), (7, 938403), (9, 729869), (21, 312801), (63, 104267), (127, 51723), (381, 17241), (821, 8001), (889, 7389), (1143, 5747), (2463, 2667)]