28903275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6761}}^1$

素因数の和:6796

約数の個数: 36

約数和(自身を含む): 54501720

約数和(自身を除く): 25598445

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 6761, 20283, 33805, 60849, 101415, 128459, 169025, 304245, 385377, 507075, 642295, 1156131, 1521225, 1926885, 3211475, 5780655, 9634425, 28903275]

約数ペア:

[(1, 28903275), (3, 9634425), (5, 5780655), (9, 3211475), (15, 1926885), (19, 1521225), (25, 1156131), (45, 642295), (57, 507075), (75, 385377), (95, 304245), (171, 169025), (225, 128459), (285, 101415), (475, 60849), (855, 33805), (1425, 20283), (4275, 6761)]