206400825

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{17987}}^1$

素因数の和:18023

約数の個数: 48

約数和(自身を含む): 401492160

約数和(自身を除く): 195091335

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 11475, 17987, 53961, 89935, 161883, 269805, 305779, 449675, 485649, 809415, 917337, 1349025, 1528895, 2428245, 2752011, 4047075, 4586685, 7644475, 8256033, 12141225, 13760055, 22933425, 41280165, 68800275, 206400825]

約数ペア:

[(1, 206400825), (3, 68800275), (5, 41280165), (9, 22933425), (15, 13760055), (17, 12141225), (25, 8256033), (27, 7644475), (45, 4586685), (51, 4047075), (75, 2752011), (85, 2428245), (135, 1528895), (153, 1349025), (225, 917337), (255, 809415), (425, 485649), (459, 449675), (675, 305779), (765, 269805), (1275, 161883), (2295, 89935), (3825, 53961), (11475, 17987)]