217427265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2539}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 413674560

約数和(自身を除く): 196247295

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 173, 495, 519, 865, 1557, 1903, 2539, 2595, 5709, 7617, 7785, 9515, 12695, 17127, 22851, 27929, 28545, 38085, 83787, 85635, 114255, 139645, 251361, 418935, 439247, 1256805, 1317741, 2196235, 3953223, 4831717, 6588705, 14495151, 19766115, 24158585, 43485453, 72475755, 217427265]

約数ペア:

[(1, 217427265), (3, 72475755), (5, 43485453), (9, 24158585), (11, 19766115), (15, 14495151), (33, 6588705), (45, 4831717), (55, 3953223), (99, 2196235), (165, 1317741), (173, 1256805), (495, 439247), (519, 418935), (865, 251361), (1557, 139645), (1903, 114255), (2539, 85635), (2595, 83787), (5709, 38085), (7617, 28545), (7785, 27929), (9515, 22851), (12695, 17127)]