28376517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16921}}^1$

素因数の和:16980

約数の個数: 16

約数和(自身を含む): 41695808

約数和(自身を除く): 13319291

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 16921, 50763, 219973, 659919, 727603, 2182809, 9458839, 28376517]

約数ペア:

[(1, 28376517), (3, 9458839), (13, 2182809), (39, 727603), (43, 659919), (129, 219973), (559, 50763), (1677, 16921)]