6405861

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2521}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 10733632

約数和(自身を除く): 4327771

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2521, 2541, 7563, 17647, 27731, 52941, 83193, 194117, 305041, 582351, 915123, 2135287, 6405861]

約数ペア:

[(1, 6405861), (3, 2135287), (7, 915123), (11, 582351), (21, 305041), (33, 194117), (77, 83193), (121, 52941), (231, 27731), (363, 17647), (847, 7563), (2521, 2541)]