221243233

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 239702400

約数和(自身を除く): 18459167

約数列:

[1, 23, 29, 409, 667, 811, 9407, 11861, 18653, 23519, 272803, 331699, 540937, 7629077, 9619271, 221243233]

約数ペア:

[(1, 221243233), (23, 9619271), (29, 7629077), (409, 540937), (667, 331699), (811, 272803), (9407, 23519), (11861, 18653)]