213671277

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{20771}}^1$

素因数の和:20910

約数の個数: 20

約数和(自身を含む): 321716736

約数和(自身を除く): 108045459

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 20771, 62313, 186939, 560817, 1682451, 2637917, 7913751, 23741253, 71223759, 213671277]

約数ペア:

[(1, 213671277), (3, 71223759), (9, 23741253), (27, 7913751), (81, 2637917), (127, 1682451), (381, 560817), (1143, 186939), (3429, 62313), (10287, 20771)]