143276721

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 223534080

約数和(自身を除く): 80257359

約数列:

[1, 3, 7, 21, 59, 177, 197, 413, 587, 591, 1239, 1379, 1761, 4109, 4137, 11623, 12327, 34633, 34869, 81361, 103899, 115639, 242431, 244083, 346917, 727293, 809473, 2428419, 6822701, 20468103, 47758907, 143276721]

約数ペア:

[(1, 143276721), (3, 47758907), (7, 20468103), (21, 6822701), (59, 2428419), (177, 809473), (197, 727293), (413, 346917), (587, 244083), (591, 242431), (1239, 115639), (1379, 103899), (1761, 81361), (4109, 34869), (4137, 34633), (11623, 12327)]