291214521

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{276557}}^1$

素因数の和:276582

約数の個数: 20

約数和(自身を含む): 468489252

約数和(自身を除く): 177274731

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 276557, 829671, 2489013, 3595241, 7467039, 10785723, 22401117, 32357169, 97071507, 291214521]

約数ペア:

[(1, 291214521), (3, 97071507), (9, 32357169), (13, 22401117), (27, 10785723), (39, 7467039), (81, 3595241), (117, 2489013), (351, 829671), (1053, 276557)]