28773315

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 53333280

約数和(自身を除く): 24559965

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 73, 95, 171, 219, 285, 365, 461, 657, 855, 1095, 1383, 1387, 2305, 3285, 4149, 4161, 6915, 6935, 8759, 12483, 20745, 20805, 26277, 33653, 43795, 62415, 78831, 100959, 131385, 168265, 302877, 394155, 504795, 639407, 1514385, 1918221, 3197035, 5754663, 9591105, 28773315]

約数ペア:

[(1, 28773315), (3, 9591105), (5, 5754663), (9, 3197035), (15, 1918221), (19, 1514385), (45, 639407), (57, 504795), (73, 394155), (95, 302877), (171, 168265), (219, 131385), (285, 100959), (365, 78831), (461, 62415), (657, 43795), (855, 33653), (1095, 26277), (1383, 20805), (1387, 20745), (2305, 12483), (3285, 8759), (4149, 6935), (4161, 6915)]