28910847

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18859}}^1$

素因数の和:18942

約数の個数: 16

約数和(自身を含む): 44660480

約数和(自身を除く): 15749633

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18859, 56577, 132013, 396039, 1376707, 4130121, 9636949, 28910847]

約数ペア:

[(1, 28910847), (3, 9636949), (7, 4130121), (21, 1376707), (73, 396039), (219, 132013), (511, 56577), (1533, 18859)]