15666978981

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{11621}}^1$

素因数の和:11877

約数の個数: 32

約数和(自身を含む): 21789855360

約数和(自身を除く): 6122876379

約数列:

[1, 3, 53, 61, 139, 159, 183, 417, 3233, 7367, 8479, 9699, 11621, 22101, 25437, 34863, 449387, 615913, 708881, 1348161, 1615319, 1847739, 2126643, 4845957, 37570693, 85611907, 98534459, 112712079, 256835721, 295603377, 5222326327, 15666978981]

約数ペア:

[(1, 15666978981), (3, 5222326327), (53, 295603377), (61, 256835721), (139, 112712079), (159, 98534459), (183, 85611907), (417, 37570693), (3233, 4845957), (7367, 2126643), (8479, 1847739), (9699, 1615319), (11621, 1348161), (22101, 708881), (25437, 615913), (34863, 449387)]