15721227

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1033}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 24195600

約数和(自身を除く): 8474373

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1033, 1691, 3099, 5073, 9297, 15219, 19627, 58881, 91937, 176643, 275811, 827433, 1746803, 5240409, 15721227]

約数ペア:

[(1, 15721227), (3, 5240409), (9, 1746803), (19, 827433), (57, 275811), (89, 176643), (171, 91937), (267, 58881), (801, 19627), (1033, 15219), (1691, 9297), (3099, 5073)]