16313157

素因数分解:

$3^4\times 7^1\times {\mathrm{28771}}^1$

素因数の和:28790

約数の個数: 20

約数和(自身を含む): 27851296

約数和(自身を除く): 11538139

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28771, 86313, 201397, 258939, 604191, 776817, 1812573, 2330451, 5437719, 16313157]

約数ペア:

[(1, 16313157), (3, 5437719), (7, 2330451), (9, 1812573), (21, 776817), (27, 604191), (63, 258939), (81, 201397), (189, 86313), (567, 28771)]