215888959

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20681}}^1$

素因数の和:20778

約数の個数: 16

約数和(自身を含む): 257118624

約数和(自身を除く): 41229665

約数列:

[1, 11, 13, 73, 143, 803, 949, 10439, 20681, 227491, 268853, 1509713, 2957383, 16606843, 19626269, 215888959]

約数ペア:

[(1, 215888959), (11, 19626269), (13, 16606843), (73, 2957383), (143, 1509713), (803, 268853), (949, 227491), (10439, 20681)]