25230681

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8521}}^1$

素因数の和:8581

約数の個数: 24

約数和(自身を含む): 42541824

約数和(自身を除く): 17311143

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 8521, 25563, 59647, 76689, 178941, 400487, 536823, 1201461, 2803409, 3604383, 8410227, 25230681]

約数ペア:

[(1, 25230681), (3, 8410227), (7, 3604383), (9, 2803409), (21, 1201461), (47, 536823), (63, 400487), (141, 178941), (329, 76689), (423, 59647), (987, 25563), (2961, 8521)]