137656925

素因数分解:

$5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1218

約数の個数: 36

約数和(自身を含む): 200674656

約数和(自身を除く): 63017731

約数列:

[1, 5, 7, 25, 35, 49, 103, 175, 245, 515, 721, 1091, 1225, 2575, 3605, 5047, 5455, 7637, 18025, 25235, 27275, 38185, 53459, 112373, 126175, 190925, 267295, 561865, 786611, 1336475, 2809325, 3933055, 5506277, 19665275, 27531385, 137656925]

約数ペア:

[(1, 137656925), (5, 27531385), (7, 19665275), (25, 5506277), (35, 3933055), (49, 2809325), (103, 1336475), (175, 786611), (245, 561865), (515, 267295), (721, 190925), (1091, 126175), (1225, 112373), (2575, 53459), (3605, 38185), (5047, 27275), (5455, 25235), (7637, 18025)]