178449939

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2543}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 278415360

約数和(自身を除く): 99965421

約数列:

[1, 3, 9, 23, 27, 69, 113, 207, 339, 621, 1017, 2543, 2599, 3051, 7629, 7797, 22887, 23391, 58489, 68661, 70173, 175467, 287359, 526401, 862077, 1579203, 2586231, 6609257, 7758693, 19827771, 59483313, 178449939]

約数ペア:

[(1, 178449939), (3, 59483313), (9, 19827771), (23, 7758693), (27, 6609257), (69, 2586231), (113, 1579203), (207, 862077), (339, 526401), (621, 287359), (1017, 175467), (2543, 70173), (2599, 68661), (3051, 58489), (7629, 23391), (7797, 22887)]