256218525

素因数分解:

$3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{10259}}^1$

素因数の和:10315

約数の個数: 48

約数和(自身を含む): 483451200

約数和(自身を除く): 227232675

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 135, 185, 225, 333, 555, 675, 925, 999, 1665, 2775, 4995, 8325, 10259, 24975, 30777, 51295, 92331, 153885, 256475, 276993, 379583, 461655, 769425, 1138749, 1384965, 1897915, 2308275, 3416247, 5693745, 6924825, 9489575, 10248741, 17081235, 28468725, 51243705, 85406175, 256218525]

約数ペア:

[(1, 256218525), (3, 85406175), (5, 51243705), (9, 28468725), (15, 17081235), (25, 10248741), (27, 9489575), (37, 6924825), (45, 5693745), (75, 3416247), (111, 2308275), (135, 1897915), (185, 1384965), (225, 1138749), (333, 769425), (555, 461655), (675, 379583), (925, 276993), (999, 256475), (1665, 153885), (2775, 92331), (4995, 51295), (8325, 30777), (10259, 24975)]