28281645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89783}}^1$

素因数の和:89801

約数の個数: 24

約数和(自身を含む): 56025216

約数和(自身を除く): 27743571

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89783, 269349, 448915, 628481, 808047, 1346745, 1885443, 3142405, 4040235, 5656329, 9427215, 28281645]

約数ペア:

[(1, 28281645), (3, 9427215), (5, 5656329), (7, 4040235), (9, 3142405), (15, 1885443), (21, 1346745), (35, 808047), (45, 628481), (63, 448915), (105, 269349), (315, 89783)]