15021391

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 20376360

約数和(自身を除く): 5354969

約数列:

[1, 7, 11, 29, 31, 49, 77, 203, 217, 319, 341, 539, 899, 961, 1421, 1519, 2233, 2387, 6293, 6727, 9889, 10571, 15631, 16709, 27869, 44051, 47089, 69223, 73997, 195083, 306559, 484561, 517979, 1365581, 2145913, 15021391]

約数ペア:

[(1, 15021391), (7, 2145913), (11, 1365581), (29, 517979), (31, 484561), (49, 306559), (77, 195083), (203, 73997), (217, 69223), (319, 47089), (341, 44051), (539, 27869), (899, 16709), (961, 15631), (1421, 10571), (1519, 9889), (2233, 6727), (2387, 6293)]