28494219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5333}}^1$

素因数の和:5486

約数の個数: 16

約数和(自身を含む): 41221152

約数和(自身を除く): 12726933

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5333, 5343, 15999, 69329, 207987, 730621, 2191863, 9498073, 28494219]

約数ペア:

[(1, 28494219), (3, 9498073), (13, 2191863), (39, 730621), (137, 207987), (411, 69329), (1781, 15999), (5333, 5343)]