688123917

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{6737}}^1$

素因数の和:6859

約数の個数: 40

約数和(自身を含む): 1118588856

約数和(自身を除く): 430464939

約数列:

[1, 3, 9, 13, 27, 39, 81, 97, 117, 291, 351, 873, 1053, 1261, 2619, 3783, 6737, 7857, 11349, 20211, 34047, 60633, 87581, 102141, 181899, 262743, 545697, 653489, 788229, 1960467, 2364687, 5881401, 7094061, 8495357, 17644203, 25486071, 52932609, 76458213, 229374639, 688123917]

約数ペア:

[(1, 688123917), (3, 229374639), (9, 76458213), (13, 52932609), (27, 25486071), (39, 17644203), (81, 8495357), (97, 7094061), (117, 5881401), (291, 2364687), (351, 1960467), (873, 788229), (1053, 653489), (1261, 545697), (2619, 262743), (3783, 181899), (6737, 102141), (7857, 87581), (11349, 60633), (20211, 34047)]