31393173

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 50875008

約数和(自身を除く): 19481835

約数列:

[1, 3, 7, 21, 31, 49, 83, 93, 147, 217, 249, 581, 651, 1519, 1743, 2573, 4067, 4557, 6889, 7719, 12201, 18011, 20667, 48223, 54033, 126077, 144669, 213559, 337561, 378231, 640677, 1012683, 1494913, 4484739, 10464391, 31393173]

約数ペア:

[(1, 31393173), (3, 10464391), (7, 4484739), (21, 1494913), (31, 1012683), (49, 640677), (83, 378231), (93, 337561), (147, 213559), (217, 144669), (249, 126077), (581, 54033), (651, 48223), (1519, 20667), (1743, 18011), (2573, 12201), (4067, 7719), (4557, 6889)]