12821865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6427}}^1$

素因数の和:6461

約数の個数: 32

約数和(自身を含む): 24683520

約数和(自身を除く): 11861655

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 6427, 19281, 32135, 44989, 96405, 122113, 134967, 224945, 366339, 610565, 674835, 854791, 1831695, 2564373, 4273955, 12821865]

約数ペア:

[(1, 12821865), (3, 4273955), (5, 2564373), (7, 1831695), (15, 854791), (19, 674835), (21, 610565), (35, 366339), (57, 224945), (95, 134967), (105, 122113), (133, 96405), (285, 44989), (399, 32135), (665, 19281), (1995, 6427)]