71115891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9931}}^1$

素因数の和:9983

約数の個数: 32

約数和(自身を含む): 122044416

約数和(自身を除く): 50928525

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 9931, 29793, 69517, 109241, 208551, 307861, 327723, 764687, 923583, 2155027, 2294061, 3386471, 6465081, 10159413, 23705297, 71115891]

約数ペア:

[(1, 71115891), (3, 23705297), (7, 10159413), (11, 6465081), (21, 3386471), (31, 2294061), (33, 2155027), (77, 923583), (93, 764687), (217, 327723), (231, 307861), (341, 208551), (651, 109241), (1023, 69517), (2387, 29793), (7161, 9931)]