66563315

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20899}}^1$

素因数の和:20931

約数の個数: 24

約数和(自身を含む): 100069200

約数和(自身を除く): 33505885

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 20899, 104495, 146293, 271687, 731465, 1024051, 1358435, 1901809, 5120255, 9509045, 13312663, 66563315]

約数ペア:

[(1, 66563315), (5, 13312663), (7, 9509045), (13, 5120255), (35, 1901809), (49, 1358435), (65, 1024051), (91, 731465), (245, 271687), (455, 146293), (637, 104495), (3185, 20899)]