25077129

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 17823351

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 121, 139, 213, 231, 363, 417, 497, 781, 847, 973, 1491, 1529, 2343, 2541, 2919, 4587, 5467, 8591, 9869, 10703, 16401, 16819, 25773, 29607, 32109, 50457, 60137, 69083, 108559, 117733, 180411, 207249, 325677, 353199, 759913, 1194149, 2279739, 3582447, 8359043, 25077129]

約数ペア:

[(1, 25077129), (3, 8359043), (7, 3582447), (11, 2279739), (21, 1194149), (33, 759913), (71, 353199), (77, 325677), (121, 207249), (139, 180411), (213, 117733), (231, 108559), (363, 69083), (417, 60137), (497, 50457), (781, 32109), (847, 29607), (973, 25773), (1491, 16819), (1529, 16401), (2343, 10703), (2541, 9869), (2919, 8591), (4587, 5467)]