127970689

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{6569}}^1$

素因数の和:6621

約数の個数: 24

約数和(自身を含む): 167771520

約数和(自身を除く): 39800831

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 6569, 19481, 45983, 72259, 151087, 505813, 794849, 1057609, 1661957, 5563943, 11633699, 18281527, 127970689]

約数ペア:

[(1, 127970689), (7, 18281527), (11, 11633699), (23, 5563943), (77, 1661957), (121, 1057609), (161, 794849), (253, 505813), (847, 151087), (1771, 72259), (2783, 45983), (6569, 19481)]