28784553

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{80629}}^1$

素因数の和:80656

約数の個数: 16

約数和(自身を含む): 46442880

約数和(自身を除く): 17658327

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 80629, 241887, 564403, 1370693, 1693209, 4112079, 9594851, 28784553]

約数ペア:

[(1, 28784553), (3, 9594851), (7, 4112079), (17, 1693209), (21, 1370693), (51, 564403), (119, 241887), (357, 80629)]