72811467

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 113743872

約数和(自身を除く): 40932405

約数列:

[1, 3, 9, 27, 31, 81, 93, 107, 271, 279, 321, 813, 837, 963, 2439, 2511, 2889, 3317, 7317, 8401, 8667, 9951, 21951, 25203, 28997, 29853, 75609, 86991, 89559, 226827, 260973, 268677, 680481, 782919, 898907, 2348757, 2696721, 8090163, 24270489, 72811467]

約数ペア:

[(1, 72811467), (3, 24270489), (9, 8090163), (27, 2696721), (31, 2348757), (81, 898907), (93, 782919), (107, 680481), (271, 268677), (279, 260973), (321, 226827), (813, 89559), (837, 86991), (963, 75609), (2439, 29853), (2511, 28997), (2889, 25203), (3317, 21951), (7317, 9951), (8401, 8667)]