64640961

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 119603328

約数和(自身を除く): 54962367

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1221, 2331, 2521, 2849, 3663, 7563, 8547, 17647, 22689, 25641, 27731, 52941, 83193, 93277, 158823, 194117, 249579, 279831, 582351, 652939, 839493, 1026047, 1747053, 1958817, 3078141, 5876451, 7182329, 9234423, 21546987, 64640961]

約数ペア:

[(1, 64640961), (3, 21546987), (7, 9234423), (9, 7182329), (11, 5876451), (21, 3078141), (33, 1958817), (37, 1747053), (63, 1026047), (77, 839493), (99, 652939), (111, 582351), (231, 279831), (259, 249579), (333, 194117), (407, 158823), (693, 93277), (777, 83193), (1221, 52941), (2331, 27731), (2521, 25641), (2849, 22689), (3663, 17647), (7563, 8547)]