71389269

素因数分解:

$3^5\times 7^1\times {\mathrm{41969}}^1$

素因数の和:41991

約数の個数: 24

約数和(自身を含む): 122216640

約数和(自身を除く): 50827371

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 41969, 125907, 293783, 377721, 881349, 1133163, 2644047, 3399489, 7932141, 10198467, 23796423, 71389269]

約数ペア:

[(1, 71389269), (3, 23796423), (7, 10198467), (9, 7932141), (21, 3399489), (27, 2644047), (63, 1133163), (81, 881349), (189, 377721), (243, 293783), (567, 125907), (1701, 41969)]