25593813

素因数分解:

$3^4\times 7^1\times {\mathrm{45139}}^1$

素因数の和:45158

約数の個数: 20

約数和(自身を含む): 43695520

約数和(自身を除く): 18101707

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45139, 135417, 315973, 406251, 947919, 1218753, 2843757, 3656259, 8531271, 25593813]

約数ペア:

[(1, 25593813), (3, 8531271), (7, 3656259), (9, 2843757), (21, 1218753), (27, 947919), (63, 406251), (81, 315973), (189, 135417), (567, 45139)]