39399825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 70273280

約数和(自身を除く): 30873455

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 643, 645, 817, 1075, 1425, 1929, 2451, 3215, 3225, 4085, 9645, 12217, 12255, 16075, 20425, 27649, 36651, 48225, 61085, 61275, 82947, 138245, 183255, 305425, 414735, 525331, 691225, 916275, 1575993, 2073675, 2626655, 7879965, 13133275, 39399825]

約数ペア:

[(1, 39399825), (3, 13133275), (5, 7879965), (15, 2626655), (19, 2073675), (25, 1575993), (43, 916275), (57, 691225), (75, 525331), (95, 414735), (129, 305425), (215, 183255), (285, 138245), (475, 82947), (643, 61275), (645, 61085), (817, 48225), (1075, 36651), (1425, 27649), (1929, 20425), (2451, 16075), (3215, 12255), (3225, 12217), (4085, 9645)]