207621359

素因数分解:

${\mathrm{11}}^3\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:823

約数の個数: 16

約数和(自身を含む): 229525920

約数和(自身を除く): 21904561

約数列:

[1, 11, 121, 389, 401, 1331, 4279, 4411, 47069, 48521, 155989, 517759, 533731, 1715879, 18874669, 207621359]

約数ペア:

[(1, 207621359), (11, 18874669), (121, 1715879), (389, 533731), (401, 517759), (1331, 155989), (4279, 48521), (4411, 47069)]