15271321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 17829504

約数和(自身を除く): 2558183

約数列:

[1, 13, 17, 43, 221, 559, 731, 1607, 9503, 20891, 27319, 69101, 355147, 898313, 1174717, 15271321]

約数ペア:

[(1, 15271321), (13, 1174717), (17, 898313), (43, 355147), (221, 69101), (559, 27319), (731, 20891), (1607, 9503)]