488952639

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{25117}}^1$

素因数の和:25236

約数の個数: 32

約数和(自身を含む): 835927040

約数和(自身を除く): 346974401

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 2163, 2781, 6489, 19467, 25117, 75351, 175819, 226053, 527457, 678159, 1582371, 2587051, 4747113, 7761153, 18109357, 23283459, 54328071, 69850377, 162984213, 488952639]

約数ペア:

[(1, 488952639), (3, 162984213), (7, 69850377), (9, 54328071), (21, 23283459), (27, 18109357), (63, 7761153), (103, 4747113), (189, 2587051), (309, 1582371), (721, 678159), (927, 527457), (2163, 226053), (2781, 175819), (6489, 75351), (19467, 25117)]