80400045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6863}}^1$

素因数の和:6953

約数の個数: 32

約数和(自身を含む): 142331904

約数和(自身を除く): 61931859

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 6863, 11715, 20589, 34315, 75493, 102945, 226479, 377465, 487273, 1132395, 1461819, 2436365, 5360003, 7309095, 16080009, 26800015, 80400045]

約数ペア:

[(1, 80400045), (3, 26800015), (5, 16080009), (11, 7309095), (15, 5360003), (33, 2436365), (55, 1461819), (71, 1132395), (165, 487273), (213, 377465), (355, 226479), (781, 102945), (1065, 75493), (2343, 34315), (3905, 20589), (6863, 11715)]