290808567

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 500086080

約数和(自身を除く): 209277513

約数列:

[1, 3, 7, 9, 21, 37, 63, 73, 111, 219, 259, 333, 511, 657, 777, 1533, 1709, 2331, 2701, 4599, 5127, 8103, 11963, 15381, 18907, 24309, 35889, 56721, 63233, 107667, 124757, 170163, 189699, 374271, 442631, 569097, 873299, 1122813, 1327893, 2619897, 3983679, 4616009, 7859691, 13848027, 32312063, 41544081, 96936189, 290808567]

約数ペア:

[(1, 290808567), (3, 96936189), (7, 41544081), (9, 32312063), (21, 13848027), (37, 7859691), (63, 4616009), (73, 3983679), (111, 2619897), (219, 1327893), (259, 1122813), (333, 873299), (511, 569097), (657, 442631), (777, 374271), (1533, 189699), (1709, 170163), (2331, 124757), (2701, 107667), (4599, 63233), (5127, 56721), (8103, 35889), (11963, 24309), (15381, 18907)]