4272021

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{4057}}^1$

素因数の和:4082

約数の個数: 20

約数和(自身を含む): 6874252

約数和(自身を除く): 2602231

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 4057, 12171, 36513, 52741, 109539, 158223, 328617, 474669, 1424007, 4272021]

約数ペア:

[(1, 4272021), (3, 1424007), (9, 474669), (13, 328617), (27, 158223), (39, 109539), (81, 52741), (117, 36513), (351, 12171), (1053, 4057)]