39991407

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1567}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 54792192

約数和(自身を除く): 14800785

約数列:

[1, 3, 47, 141, 181, 543, 1567, 4701, 8507, 25521, 73649, 220947, 283627, 850881, 13330469, 39991407]

約数ペア:

[(1, 39991407), (3, 13330469), (47, 850881), (141, 283627), (181, 220947), (543, 73649), (1567, 25521), (4701, 8507)]