39398457

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{5197}}^1$

素因数の和:5245

約数の個数: 24

約数和(自身を含む): 63374016

約数和(自身を除く): 23975559

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 5197, 7581, 15591, 36379, 98743, 109137, 296229, 691201, 1876117, 2073603, 5628351, 13132819, 39398457]

約数ペア:

[(1, 39398457), (3, 13132819), (7, 5628351), (19, 2073603), (21, 1876117), (57, 691201), (133, 296229), (361, 109137), (399, 98743), (1083, 36379), (2527, 15591), (5197, 7581)]