31885887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 16774593

約数列:

[1, 3, 11, 31, 33, 71, 93, 213, 341, 439, 781, 1023, 1317, 2201, 2343, 4829, 6603, 13609, 14487, 24211, 31169, 40827, 72633, 93507, 149699, 342859, 449097, 966239, 1028577, 2898717, 10628629, 31885887]

約数ペア:

[(1, 31885887), (3, 10628629), (11, 2898717), (31, 1028577), (33, 966239), (71, 449097), (93, 342859), (213, 149699), (341, 93507), (439, 72633), (781, 40827), (1023, 31169), (1317, 24211), (2201, 14487), (2343, 13609), (4829, 6603)]