208325625

素因数分解:

$3^1\times 5^4\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 350062944

約数和(自身を除く): 141737319

約数列:

[1, 3, 5, 15, 25, 75, 125, 137, 375, 411, 625, 685, 811, 1875, 2055, 2433, 3425, 4055, 10275, 12165, 17125, 20275, 51375, 60825, 85625, 101375, 111107, 256875, 304125, 333321, 506875, 555535, 1520625, 1666605, 2777675, 8333025, 13888375, 41665125, 69441875, 208325625]

約数ペア:

[(1, 208325625), (3, 69441875), (5, 41665125), (15, 13888375), (25, 8333025), (75, 2777675), (125, 1666605), (137, 1520625), (375, 555535), (411, 506875), (625, 333321), (685, 304125), (811, 256875), (1875, 111107), (2055, 101375), (2433, 85625), (3425, 60825), (4055, 51375), (10275, 20275), (12165, 17125)]