28202421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{4789}}^1$

素因数の和:4956

約数の個数: 16

約数和(自身を含む): 40772480

約数和(自身を除く): 12570059

約数列:

[1, 3, 13, 39, 151, 453, 1963, 4789, 5889, 14367, 62257, 186771, 723139, 2169417, 9400807, 28202421]

約数ペア:

[(1, 28202421), (3, 9400807), (13, 2169417), (39, 723139), (151, 186771), (453, 62257), (1963, 14367), (4789, 5889)]