2879721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 4536896

約数和(自身を除く): 1657175

約数列:

[1, 3, 9, 13, 39, 117, 151, 163, 453, 489, 1359, 1467, 1963, 2119, 5889, 6357, 17667, 19071, 24613, 73839, 221517, 319969, 959907, 2879721]

約数ペア:

[(1, 2879721), (3, 959907), (9, 319969), (13, 221517), (39, 73839), (117, 24613), (151, 19071), (163, 17667), (453, 6357), (489, 5889), (1359, 2119), (1467, 1963)]