28008675

素因数分解:

$3^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 50458824

約数和(自身を除く): 22450149

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 281, 443, 843, 1329, 1405, 2215, 2529, 3987, 4215, 6645, 7025, 11075, 12645, 19935, 21075, 33225, 63225, 99675, 124483, 373449, 622415, 1120347, 1867245, 3112075, 5601735, 9336225, 28008675]

約数ペア:

[(1, 28008675), (3, 9336225), (5, 5601735), (9, 3112075), (15, 1867245), (25, 1120347), (45, 622415), (75, 373449), (225, 124483), (281, 99675), (443, 63225), (843, 33225), (1329, 21075), (1405, 19935), (2215, 12645), (2529, 11075), (3987, 7025), (4215, 6645)]