81980451

素因数分解:

$3^3\times 7^1\times {\mathrm{433759}}^1$

素因数の和:433775

約数の個数: 16

約数和(自身を含む): 138803200

約数和(自身を除く): 56822749

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 433759, 1301277, 3036313, 3903831, 9108939, 11711493, 27326817, 81980451]

約数ペア:

[(1, 81980451), (3, 27326817), (7, 11711493), (9, 9108939), (21, 3903831), (27, 3036313), (63, 1301277), (189, 433759)]