251135523

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{13807}}^1$

素因数の和:13903

約数の個数: 24

約数和(自身を含む): 379112448

約数和(自身を除く): 127976925

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 2021, 6063, 13807, 18189, 41421, 124263, 593701, 648929, 1781103, 1946787, 5343309, 5840361, 27903947, 83711841, 251135523]

約数ペア:

[(1, 251135523), (3, 83711841), (9, 27903947), (43, 5840361), (47, 5343309), (129, 1946787), (141, 1781103), (387, 648929), (423, 593701), (2021, 124263), (6063, 41421), (13807, 18189)]