3990129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 6386688

約数和(自身を除く): 2396559

約数列:

[1, 3, 11, 13, 33, 39, 71, 131, 143, 213, 393, 429, 781, 923, 1441, 1703, 2343, 2769, 4323, 5109, 9301, 10153, 18733, 27903, 30459, 56199, 102311, 120913, 306933, 362739, 1330043, 3990129]

約数ペア:

[(1, 3990129), (3, 1330043), (11, 362739), (13, 306933), (33, 120913), (39, 102311), (71, 56199), (131, 30459), (143, 27903), (213, 18733), (393, 10153), (429, 9301), (781, 5109), (923, 4323), (1441, 2769), (1703, 2343)]