80319681

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 130912320

約数和(自身を除く): 50592639

約数列:

[1, 3, 9, 13, 27, 39, 81, 83, 117, 249, 351, 747, 919, 1053, 1079, 2241, 2757, 3237, 6723, 8271, 9711, 11947, 24813, 29133, 35841, 74439, 76277, 87399, 107523, 228831, 322569, 686493, 967707, 991601, 2059479, 2974803, 6178437, 8924409, 26773227, 80319681]

約数ペア:

[(1, 80319681), (3, 26773227), (9, 8924409), (13, 6178437), (27, 2974803), (39, 2059479), (81, 991601), (83, 967707), (117, 686493), (249, 322569), (351, 228831), (747, 107523), (919, 87399), (1053, 76277), (1079, 74439), (2241, 35841), (2757, 29133), (3237, 24813), (6723, 11947), (8271, 9711)]