28437651

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 48398688

約数和(自身を除く): 19961037

約数列:

[1, 3, 9, 11, 17, 33, 51, 61, 99, 153, 183, 187, 277, 549, 561, 671, 831, 1037, 1683, 2013, 2493, 3047, 3111, 4709, 6039, 9141, 9333, 11407, 14127, 16897, 27423, 34221, 42381, 50691, 51799, 102663, 152073, 155397, 185867, 287249, 466191, 557601, 861747, 1672803, 2585241, 3159739, 9479217, 28437651]

約数ペア:

[(1, 28437651), (3, 9479217), (9, 3159739), (11, 2585241), (17, 1672803), (33, 861747), (51, 557601), (61, 466191), (99, 287249), (153, 185867), (183, 155397), (187, 152073), (277, 102663), (549, 51799), (561, 50691), (671, 42381), (831, 34221), (1037, 27423), (1683, 16897), (2013, 14127), (2493, 11407), (3047, 9333), (3111, 9141), (4709, 6039)]