25920825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 49580160

約数和(自身を除く): 23659335

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 97, 105, 175, 291, 485, 509, 525, 679, 1455, 1527, 2037, 2425, 2545, 3395, 3563, 7275, 7635, 10185, 10689, 12725, 16975, 17815, 38175, 49373, 50925, 53445, 89075, 148119, 246865, 267225, 345611, 740595, 1036833, 1234325, 1728055, 3702975, 5184165, 8640275, 25920825]

約数ペア:

[(1, 25920825), (3, 8640275), (5, 5184165), (7, 3702975), (15, 1728055), (21, 1234325), (25, 1036833), (35, 740595), (75, 345611), (97, 267225), (105, 246865), (175, 148119), (291, 89075), (485, 53445), (509, 50925), (525, 49373), (679, 38175), (1455, 17815), (1527, 16975), (2037, 12725), (2425, 10689), (2545, 10185), (3395, 7635), (3563, 7275)]