221698081

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 261192960

約数和(自身を除く): 39494879

約数列:

[1, 11, 23, 31, 253, 341, 529, 713, 1229, 5819, 7843, 13519, 16399, 28267, 38099, 180389, 310937, 419089, 650141, 876277, 7151551, 9639047, 20154371, 221698081]

約数ペア:

[(1, 221698081), (11, 20154371), (23, 9639047), (31, 7151551), (253, 876277), (341, 650141), (529, 419089), (713, 310937), (1229, 180389), (5819, 38099), (7843, 28267), (13519, 16399)]