168439743

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71707}}^1$

素因数の和:71748

約数の個数: 20

約数和(自身を含む): 260300040

約数和(自身を除く): 91860297

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 71707, 215121, 645363, 1936089, 2079503, 5808267, 6238509, 18715527, 56146581, 168439743]

約数ペア:

[(1, 168439743), (3, 56146581), (9, 18715527), (27, 6238509), (29, 5808267), (81, 2079503), (87, 1936089), (261, 645363), (783, 215121), (2349, 71707)]