25470225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 51184224

約数和(自身を除く): 25713999

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 165, 205, 225, 251, 275, 369, 451, 495, 615, 753, 825, 1025, 1255, 1353, 1845, 2255, 2259, 2475, 2761, 3075, 3765, 4059, 6275, 6765, 8283, 9225, 10291, 11275, 11295, 13805, 18825, 20295, 24849, 30873, 33825, 41415, 51455, 56475, 69025, 92619, 101475, 113201, 124245, 154365, 207075, 257275, 339603, 463095, 566005, 621225, 771825, 1018809, 1698015, 2315475, 2830025, 5094045, 8490075, 25470225]

約数ペア:

[(1, 25470225), (3, 8490075), (5, 5094045), (9, 2830025), (11, 2315475), (15, 1698015), (25, 1018809), (33, 771825), (41, 621225), (45, 566005), (55, 463095), (75, 339603), (99, 257275), (123, 207075), (165, 154365), (205, 124245), (225, 113201), (251, 101475), (275, 92619), (369, 69025), (451, 56475), (495, 51455), (615, 41415), (753, 33825), (825, 30873), (1025, 24849), (1255, 20295), (1353, 18825), (1845, 13805), (2255, 11295), (2259, 11275), (2475, 10291), (2761, 9225), (3075, 8283), (3765, 6765), (4059, 6275)]