317688021

素因数分解:

$3^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2203}}^1$

素因数の和:2335

約数の個数: 48

約数和(自身を含む): 552763200

約数和(自身を除く): 235075179

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 109, 147, 189, 327, 441, 763, 981, 1323, 2203, 2289, 2943, 5341, 6609, 6867, 15421, 16023, 19827, 20601, 46263, 48069, 59481, 107947, 138789, 144207, 240127, 323841, 416367, 720381, 971523, 1680889, 2161143, 2914569, 5042667, 6483429, 11766223, 15128001, 35298669, 45384003, 105896007, 317688021]

約数ペア:

[(1, 317688021), (3, 105896007), (7, 45384003), (9, 35298669), (21, 15128001), (27, 11766223), (49, 6483429), (63, 5042667), (109, 2914569), (147, 2161143), (189, 1680889), (327, 971523), (441, 720381), (763, 416367), (981, 323841), (1323, 240127), (2203, 144207), (2289, 138789), (2943, 107947), (5341, 59481), (6609, 48069), (6867, 46263), (15421, 20601), (16023, 19827)]