28931151

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3671}}^1$

素因数の和:3782

約数の個数: 16

約数和(自身を含む): 40186368

約数和(自身を除く): 11255217

約数列:

[1, 3, 37, 71, 111, 213, 2627, 3671, 7881, 11013, 135827, 260641, 407481, 781923, 9643717, 28931151]

約数ペア:

[(1, 28931151), (3, 9643717), (37, 781923), (71, 407481), (111, 260641), (213, 135827), (2627, 11013), (3671, 7881)]