28695921

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 39399360

約数和(自身を除く): 10703439

約数列:

[1, 3, 43, 129, 181, 543, 1229, 3687, 7783, 23349, 52847, 158541, 222449, 667347, 9565307, 28695921]

約数ペア:

[(1, 28695921), (3, 9565307), (43, 667347), (129, 222449), (181, 158541), (543, 52847), (1229, 23349), (3687, 7783)]