7378425

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 14374080

約数和(自身を除く): 6995655

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 643, 675, 765, 1275, 1929, 2295, 3215, 3825, 5787, 9645, 10931, 11475, 16075, 17361, 28935, 32793, 48225, 54655, 86805, 98379, 144675, 163965, 273275, 295137, 434025, 491895, 819825, 1475685, 2459475, 7378425]

約数ペア:

[(1, 7378425), (3, 2459475), (5, 1475685), (9, 819825), (15, 491895), (17, 434025), (25, 295137), (27, 273275), (45, 163965), (51, 144675), (75, 98379), (85, 86805), (135, 54655), (153, 48225), (225, 32793), (255, 28935), (425, 17361), (459, 16075), (643, 11475), (675, 10931), (765, 9645), (1275, 5787), (1929, 3825), (2295, 3215)]