28870107

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25939}}^1$

素因数の和:26002

約数の個数: 16

約数和(自身を含む): 44824320

約数和(自身を除く): 15954213

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25939, 77817, 181573, 544719, 1374767, 4124301, 9623369, 28870107]

約数ペア:

[(1, 28870107), (3, 9623369), (7, 4124301), (21, 1374767), (53, 544719), (159, 181573), (371, 77817), (1113, 25939)]