81381447

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{24373}}^1$

素因数の和:24439

約数の個数: 24

約数和(自身を含む): 136884384

約数和(自身を除く): 55502937

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 24373, 73119, 170611, 219357, 511833, 1291769, 1535499, 3875307, 9042383, 11625921, 27127149, 81381447]

約数ペア:

[(1, 81381447), (3, 27127149), (7, 11625921), (9, 9042383), (21, 3875307), (53, 1535499), (63, 1291769), (159, 511833), (371, 219357), (477, 170611), (1113, 73119), (3339, 24373)]