25315125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 96

約数和(自身を含む): 51352704

約数和(自身を除く): 26037579

約数列:

[1, 3, 5, 11, 15, 17, 19, 25, 33, 51, 55, 57, 75, 85, 95, 125, 165, 187, 209, 255, 275, 285, 323, 361, 375, 425, 475, 561, 627, 825, 935, 969, 1045, 1083, 1275, 1375, 1425, 1615, 1805, 2125, 2375, 2805, 3135, 3553, 3971, 4125, 4675, 4845, 5225, 5415, 6137, 6375, 7125, 8075, 9025, 10659, 11913, 14025, 15675, 17765, 18411, 19855, 23375, 24225, 26125, 27075, 30685, 40375, 45125, 53295, 59565, 67507, 70125, 78375, 88825, 92055, 99275, 121125, 135375, 153425, 202521, 266475, 297825, 337535, 444125, 460275, 496375, 767125, 1012605, 1332375, 1489125, 1687675, 2301375, 5063025, 8438375, 25315125]

約数ペア:

[(1, 25315125), (3, 8438375), (5, 5063025), (11, 2301375), (15, 1687675), (17, 1489125), (19, 1332375), (25, 1012605), (33, 767125), (51, 496375), (55, 460275), (57, 444125), (75, 337535), (85, 297825), (95, 266475), (125, 202521), (165, 153425), (187, 135375), (209, 121125), (255, 99275), (275, 92055), (285, 88825), (323, 78375), (361, 70125), (375, 67507), (425, 59565), (475, 53295), (561, 45125), (627, 40375), (825, 30685), (935, 27075), (969, 26125), (1045, 24225), (1083, 23375), (1275, 19855), (1375, 18411), (1425, 17765), (1615, 15675), (1805, 14025), (2125, 11913), (2375, 10659), (2805, 9025), (3135, 8075), (3553, 7125), (3971, 6375), (4125, 6137), (4675, 5415), (4845, 5225)]