30728285

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 44040192

約数和(自身を除く): 13311907

約数列:

[1, 5, 7, 31, 35, 127, 155, 217, 223, 635, 889, 1085, 1115, 1561, 3937, 4445, 6913, 7805, 19685, 27559, 28321, 34565, 48391, 137795, 141605, 198247, 241955, 877951, 991235, 4389755, 6145657, 30728285]

約数ペア:

[(1, 30728285), (5, 6145657), (7, 4389755), (31, 991235), (35, 877951), (127, 241955), (155, 198247), (217, 141605), (223, 137795), (635, 48391), (889, 34565), (1085, 28321), (1115, 27559), (1561, 19685), (3937, 7805), (4445, 6913)]