389196285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{4391}}^1$

素因数の和:4729

約数の個数: 32

約数和(自身を含む): 657745920

約数和(自身を除く): 268549635

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 311, 933, 1555, 4391, 4665, 5909, 13173, 17727, 21955, 29545, 65865, 83429, 88635, 250287, 417145, 1251435, 1365601, 4096803, 6828005, 20484015, 25946419, 77839257, 129732095, 389196285]

約数ペア:

[(1, 389196285), (3, 129732095), (5, 77839257), (15, 25946419), (19, 20484015), (57, 6828005), (95, 4096803), (285, 1365601), (311, 1251435), (933, 417145), (1555, 250287), (4391, 88635), (4665, 83429), (5909, 65865), (13173, 29545), (17727, 21955)]