2257821

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{4919}}^1$

素因数の和:4945

約数の個数: 16

約数和(自身を含む): 3542400

約数和(自身を除く): 1284579

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 4919, 14757, 44271, 83623, 132813, 250869, 752607, 2257821]

約数ペア:

[(1, 2257821), (3, 752607), (9, 250869), (17, 132813), (27, 83623), (51, 44271), (153, 14757), (459, 4919)]