28303425

素因数分解:

$3^6\times 5^2\times {\mathrm{1553}}^1$

素因数の和:1581

約数の個数: 42

約数和(自身を含む): 52654182

約数和(自身を除く): 24350757

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 1553, 2025, 3645, 4659, 6075, 7765, 13977, 18225, 23295, 38825, 41931, 69885, 116475, 125793, 209655, 349425, 377379, 628965, 1048275, 1132137, 1886895, 3144825, 5660685, 9434475, 28303425]

約数ペア:

[(1, 28303425), (3, 9434475), (5, 5660685), (9, 3144825), (15, 1886895), (25, 1132137), (27, 1048275), (45, 628965), (75, 377379), (81, 349425), (135, 209655), (225, 125793), (243, 116475), (405, 69885), (675, 41931), (729, 38825), (1215, 23295), (1553, 18225), (2025, 13977), (3645, 7765), (4659, 6075)]