42039039

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{105361}}^1$

素因数の和:105390

約数の個数: 16

約数和(自身を含む): 67431680

約数和(自身を除く): 25392641

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 105361, 316083, 737527, 2001859, 2212581, 6005577, 14013013, 42039039]

約数ペア:

[(1, 42039039), (3, 14013013), (7, 6005577), (19, 2212581), (21, 2001859), (57, 737527), (133, 316083), (399, 105361)]