27972385

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 42024960

約数和(自身を除く): 14052575

約数列:

[1, 5, 7, 29, 31, 35, 49, 127, 145, 155, 203, 217, 245, 635, 889, 899, 1015, 1085, 1421, 1519, 3683, 3937, 4445, 4495, 6223, 6293, 7105, 7595, 18415, 19685, 25781, 27559, 31115, 31465, 44051, 114173, 128905, 137795, 180467, 192913, 220255, 570865, 799211, 902335, 964565, 3996055, 5594477, 27972385]

約数ペア:

[(1, 27972385), (5, 5594477), (7, 3996055), (29, 964565), (31, 902335), (35, 799211), (49, 570865), (127, 220255), (145, 192913), (155, 180467), (203, 137795), (217, 128905), (245, 114173), (635, 44051), (889, 31465), (899, 31115), (1015, 27559), (1085, 25781), (1421, 19685), (1519, 18415), (3683, 7595), (3937, 7105), (4445, 6293), (4495, 6223)]