28379253

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{3121}}^1$

素因数の和:3564

約数の個数: 16

約数和(自身を含む): 43358336

約数和(自身を除く): 14979083

約数列:

[1, 3, 7, 21, 433, 1299, 3031, 3121, 9093, 9363, 21847, 65541, 1351393, 4054179, 9459751, 28379253]

約数ペア:

[(1, 28379253), (3, 9459751), (7, 4054179), (21, 1351393), (433, 65541), (1299, 21847), (3031, 9363), (3121, 9093)]