317142

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{839}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 806400

約数和(自身を除く): 489258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 839, 1678, 2517, 5034, 5873, 7551, 11746, 15102, 17619, 22653, 35238, 45306, 52857, 105714, 158571, 317142]

約数ペア:

[(1, 317142), (2, 158571), (3, 105714), (6, 52857), (7, 45306), (9, 35238), (14, 22653), (18, 17619), (21, 15102), (27, 11746), (42, 7551), (54, 5873), (63, 5034), (126, 2517), (189, 1678), (378, 839)]