81861639

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1\times {\mathrm{881}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 111767040

約数和(自身を除く): 29905401

約数列:

[1, 3, 47, 141, 659, 881, 1977, 2643, 30973, 41407, 92919, 124221, 580579, 1741737, 27287213, 81861639]

約数ペア:

[(1, 81861639), (3, 27287213), (47, 1741737), (141, 580579), (659, 124221), (881, 92919), (1977, 41407), (2643, 30973)]