1258929

素因数分解:

$3^3\times 7^1\times {\mathrm{6661}}^1$

素因数の和:6677

約数の個数: 16

約数和(自身を含む): 2131840

約数和(自身を除く): 872911

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6661, 19983, 46627, 59949, 139881, 179847, 419643, 1258929]

約数ペア:

[(1, 1258929), (3, 419643), (7, 179847), (9, 139881), (21, 59949), (27, 46627), (63, 19983), (189, 6661)]