7868745

素因数分解:

$3^4\times 5^1\times {\mathrm{19429}}^1$

素因数の和:19446

約数の個数: 20

約数和(自身を含む): 14106180

約数和(自身を除く): 6237435

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19429, 58287, 97145, 174861, 291435, 524583, 874305, 1573749, 2622915, 7868745]

約数ペア:

[(1, 7868745), (3, 2622915), (5, 1573749), (9, 874305), (15, 524583), (27, 291435), (45, 174861), (81, 97145), (135, 58287), (405, 19429)]