81201555

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19403}}^1$

素因数の和:19448

約数の個数: 32

約数和(自身を含む): 149022720

約数和(自身を除く): 67821165

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 19403, 58209, 97015, 174627, 291045, 523881, 601493, 873135, 1804479, 2619405, 3007465, 5413437, 9022395, 16240311, 27067185, 81201555]

約数ペア:

[(1, 81201555), (3, 27067185), (5, 16240311), (9, 9022395), (15, 5413437), (27, 3007465), (31, 2619405), (45, 1804479), (93, 873135), (135, 601493), (155, 523881), (279, 291045), (465, 174627), (837, 97015), (1395, 58209), (4185, 19403)]