217653807

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6173}}^1$

素因数の和:6279

約数の個数: 32

約数和(自身を含む): 350880768

約数和(自身を除く): 133226961

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 1533, 1679, 5037, 6173, 11753, 18519, 35259, 43211, 129633, 141979, 425937, 450629, 993853, 1351887, 2981559, 3154403, 9463209, 10364467, 31093401, 72551269, 217653807]

約数ペア:

[(1, 217653807), (3, 72551269), (7, 31093401), (21, 10364467), (23, 9463209), (69, 3154403), (73, 2981559), (161, 1351887), (219, 993853), (483, 450629), (511, 425937), (1533, 141979), (1679, 129633), (5037, 43211), (6173, 35259), (11753, 18519)]