12821529

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10009}}^1$

素因数の和:10080

約数の個数: 16

約数和(自身を含む): 19859840

約数和(自身を除く): 7038311

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 10009, 30027, 70063, 210189, 610549, 1831647, 4273843, 12821529]

約数ペア:

[(1, 12821529), (3, 4273843), (7, 1831647), (21, 610549), (61, 210189), (183, 70063), (427, 30027), (1281, 10009)]