51731631

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{17471}}^1$

素因数の和:17531

約数の個数: 24

約数和(自身を含む): 87220224

約数和(自身を除く): 35488593

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 17471, 52413, 122297, 157239, 366891, 821137, 1100673, 2463411, 5747959, 7390233, 17243877, 51731631]

約数ペア:

[(1, 51731631), (3, 17243877), (7, 7390233), (9, 5747959), (21, 2463411), (47, 1100673), (63, 821137), (141, 366891), (329, 157239), (423, 122297), (987, 52413), (2961, 17471)]