28715715

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{1447}}^1$

素因数の和:1478

約数の個数: 60

約数和(自身を含む): 59921136

約数和(自身を除く): 31205421

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 1447, 2205, 2835, 3969, 4341, 6615, 7235, 10129, 13023, 19845, 21705, 30387, 39069, 50645, 65115, 70903, 91161, 117207, 151935, 195345, 212709, 273483, 354515, 455805, 586035, 638127, 820449, 1063545, 1367415, 1914381, 3190635, 4102245, 5743143, 9571905, 28715715]

約数ペア:

[(1, 28715715), (3, 9571905), (5, 5743143), (7, 4102245), (9, 3190635), (15, 1914381), (21, 1367415), (27, 1063545), (35, 820449), (45, 638127), (49, 586035), (63, 455805), (81, 354515), (105, 273483), (135, 212709), (147, 195345), (189, 151935), (245, 117207), (315, 91161), (405, 70903), (441, 65115), (567, 50645), (735, 39069), (945, 30387), (1323, 21705), (1447, 19845), (2205, 13023), (2835, 10129), (3969, 7235), (4341, 6615)]