1638222729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{88807}}^1$

素因数の和:88877

約数の個数: 32

約数和(自身を含む): 2625874944

約数和(自身を除く): 987652215

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1419, 1677, 6149, 18447, 88807, 266421, 976877, 1154491, 2930631, 3463473, 3818701, 11456103, 12699401, 38098203, 42005711, 49643113, 126017133, 148929339, 546074243, 1638222729]

約数ペア:

[(1, 1638222729), (3, 546074243), (11, 148929339), (13, 126017133), (33, 49643113), (39, 42005711), (43, 38098203), (129, 12699401), (143, 11456103), (429, 3818701), (473, 3463473), (559, 2930631), (1419, 1154491), (1677, 976877), (6149, 266421), (18447, 88807)]