2748825

素因数分解:

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

素因数の和:678

約数の個数: 36

約数和(自身を含む): 5190640

約数和(自身を除く): 2441815

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 643, 855, 1425, 1929, 3215, 4275, 5787, 9645, 12217, 16075, 28935, 36651, 48225, 61085, 109953, 144675, 183255, 305425, 549765, 916275, 2748825]

約数ペア:

[(1, 2748825), (3, 916275), (5, 549765), (9, 305425), (15, 183255), (19, 144675), (25, 109953), (45, 61085), (57, 48225), (75, 36651), (95, 28935), (171, 16075), (225, 12217), (285, 9645), (475, 5787), (643, 4275), (855, 3215), (1425, 1929)]