31145049

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 50241828

約数和(自身を除く): 19096779

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 277, 279, 403, 831, 961, 1209, 2493, 2883, 3601, 3627, 8587, 8649, 10803, 12493, 25761, 32409, 37479, 77283, 111631, 112437, 266197, 334893, 798591, 1004679, 2395773, 3460561, 10381683, 31145049]

約数ペア:

[(1, 31145049), (3, 10381683), (9, 3460561), (13, 2395773), (31, 1004679), (39, 798591), (93, 334893), (117, 266197), (277, 112437), (279, 111631), (403, 77283), (831, 37479), (961, 32409), (1209, 25761), (2493, 12493), (2883, 10803), (3601, 8649), (3627, 8587)]