2578797

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 4336640

約数和(自身を除く): 1757843

約数列:

[1, 3, 9, 13, 27, 31, 39, 79, 81, 93, 117, 237, 279, 351, 403, 711, 837, 1027, 1053, 1209, 2133, 2449, 2511, 3081, 3627, 6399, 7347, 9243, 10881, 22041, 27729, 31837, 32643, 66123, 83187, 95511, 198369, 286533, 859599, 2578797]

約数ペア:

[(1, 2578797), (3, 859599), (9, 286533), (13, 198369), (27, 95511), (31, 83187), (39, 66123), (79, 32643), (81, 31837), (93, 27729), (117, 22041), (237, 10881), (279, 9243), (351, 7347), (403, 6399), (711, 3627), (837, 3081), (1027, 2511), (1053, 2449), (1209, 2133)]