199985577

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 301916160

約数和(自身を除く): 101930583

約数列:

[1, 3, 11, 33, 41, 79, 123, 237, 451, 869, 1353, 1871, 2607, 3239, 5613, 9717, 20581, 35629, 61743, 76711, 106887, 147809, 230133, 443427, 843821, 1625899, 2531463, 4877697, 6060169, 18180507, 66661859, 199985577]

約数ペア:

[(1, 199985577), (3, 66661859), (11, 18180507), (33, 6060169), (41, 4877697), (79, 2531463), (123, 1625899), (237, 843821), (451, 443427), (869, 230133), (1353, 147809), (1871, 106887), (2607, 76711), (3239, 61743), (5613, 35629), (9717, 20581)]