87868869

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 141341760

約数和(自身を除く): 53472891

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 121, 187, 319, 363, 491, 493, 561, 957, 1473, 1479, 2057, 3509, 5401, 5423, 6171, 8347, 10527, 14239, 16203, 16269, 25041, 42717, 59411, 59653, 91817, 156629, 178233, 178959, 242063, 275451, 469887, 726189, 1009987, 1722919, 2662693, 3029961, 5168757, 7988079, 29289623, 87868869]

約数ペア:

[(1, 87868869), (3, 29289623), (11, 7988079), (17, 5168757), (29, 3029961), (33, 2662693), (51, 1722919), (87, 1009987), (121, 726189), (187, 469887), (319, 275451), (363, 242063), (491, 178959), (493, 178233), (561, 156629), (957, 91817), (1473, 59653), (1479, 59411), (2057, 42717), (3509, 25041), (5401, 16269), (5423, 16203), (6171, 14239), (8347, 10527)]