247521921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{25147}}^1$

素因数の和:25360

約数の個数: 16

約数和(自身を含む): 351267264

約数和(自身を除く): 103745343

約数列:

[1, 3, 17, 51, 193, 579, 3281, 9843, 25147, 75441, 427499, 1282497, 4853371, 14560113, 82507307, 247521921]

約数ペア:

[(1, 247521921), (3, 82507307), (17, 14560113), (51, 4853371), (193, 1282497), (579, 427499), (3281, 75441), (9843, 25147)]