1387408029

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{90379}}^1$

素因数の和:90449

約数の個数: 32

約数和(自身を含む): 2290590720

約数和(自身を除く): 903182691

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 15351, 90379, 271137, 632653, 1536443, 1897959, 3886297, 4609329, 10755101, 11658891, 27204079, 32265303, 66067049, 81612237, 198201147, 462469343, 1387408029]

約数ペア:

[(1, 1387408029), (3, 462469343), (7, 198201147), (17, 81612237), (21, 66067049), (43, 32265303), (51, 27204079), (119, 11658891), (129, 10755101), (301, 4609329), (357, 3886297), (731, 1897959), (903, 1536443), (2193, 632653), (5117, 271137), (15351, 90379)]