28000281

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8053}}^1$

素因数の和:8136

約数の個数: 16

約数和(自身を含む): 39947840

約数和(自身を除く): 11947559

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 8053, 24159, 153007, 459021, 491233, 1473699, 9333427, 28000281]

約数ペア:

[(1, 28000281), (3, 9333427), (19, 1473699), (57, 491233), (61, 459021), (183, 153007), (1159, 24159), (3477, 8053)]