25139355

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{997}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 41269296

約数和(自身を除く): 16129941

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 997, 1681, 2991, 4985, 5043, 8405, 14955, 25215, 40877, 122631, 204385, 613155, 1675957, 5027871, 8379785, 25139355]

約数ペア:

[(1, 25139355), (3, 8379785), (5, 5027871), (15, 1675957), (41, 613155), (123, 204385), (205, 122631), (615, 40877), (997, 25215), (1681, 14955), (2991, 8405), (4985, 5043)]