9903921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 13977600

約数和(自身を除く): 4073679

約数列:

[1, 3, 19, 57, 239, 717, 727, 2181, 4541, 13623, 13813, 41439, 173753, 521259, 3301307, 9903921]

約数ペア:

[(1, 9903921), (3, 3301307), (19, 521259), (57, 173753), (239, 41439), (717, 13813), (727, 13623), (2181, 4541)]