8404778889

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{68611}}^1$

素因数の和:68982

約数の個数: 32

約数和(自身を含む): 13447952000

約数和(自身を除く): 5043173111

約数列:

[1, 3, 9, 13, 27, 39, 117, 349, 351, 1047, 3141, 4537, 9423, 13611, 40833, 68611, 122499, 205833, 617499, 891943, 1852497, 2675829, 8027487, 23945239, 24082461, 71835717, 215507151, 311288107, 646521453, 933864321, 2801592963, 8404778889]

約数ペア:

[(1, 8404778889), (3, 2801592963), (9, 933864321), (13, 646521453), (27, 311288107), (39, 215507151), (117, 71835717), (349, 24082461), (351, 23945239), (1047, 8027487), (3141, 2675829), (4537, 1852497), (9423, 891943), (13611, 617499), (40833, 205833), (68611, 122499)]