7644861

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 13280960

約数和(自身を除く): 5636099

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 139, 189, 291, 417, 567, 679, 873, 973, 1251, 2037, 2619, 2919, 3753, 6111, 7857, 8757, 11259, 13483, 18333, 26271, 40449, 54999, 78813, 94381, 121347, 283143, 364041, 849429, 1092123, 2548287, 7644861]

約数ペア:

[(1, 7644861), (3, 2548287), (7, 1092123), (9, 849429), (21, 364041), (27, 283143), (63, 121347), (81, 94381), (97, 78813), (139, 54999), (189, 40449), (291, 26271), (417, 18333), (567, 13483), (679, 11259), (873, 8757), (973, 7857), (1251, 6111), (2037, 3753), (2619, 2919)]