1886989167

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 3270833280

約数和(自身を除く): 1383844113

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 151, 301, 387, 441, 453, 659, 903, 1057, 1359, 1977, 2107, 2709, 3171, 4613, 5931, 6321, 6493, 7399, 9513, 13839, 18963, 19479, 22197, 28337, 32291, 41517, 45451, 58437, 66591, 85011, 96873, 99509, 136353, 198359, 255033, 290619, 298527, 318157, 409059, 595077, 696563, 895581, 954471, 1388513, 1785231, 2089689, 2863413, 4165539, 4278887, 4875941, 6269067, 12496617, 12836661, 14627823, 29952209, 38509983, 43883469, 89856627, 209665463, 269569881, 628996389, 1886989167]

約数ペア:

[(1, 1886989167), (3, 628996389), (7, 269569881), (9, 209665463), (21, 89856627), (43, 43883469), (49, 38509983), (63, 29952209), (129, 14627823), (147, 12836661), (151, 12496617), (301, 6269067), (387, 4875941), (441, 4278887), (453, 4165539), (659, 2863413), (903, 2089689), (1057, 1785231), (1359, 1388513), (1977, 954471), (2107, 895581), (2709, 696563), (3171, 595077), (4613, 409059), (5931, 318157), (6321, 298527), (6493, 290619), (7399, 255033), (9513, 198359), (13839, 136353), (18963, 99509), (19479, 96873), (22197, 85011), (28337, 66591), (32291, 58437), (41517, 45451)]