13778919

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 25309440

約数和(自身を除く): 11530521

約数列:

[1, 3, 7, 9, 11, 21, 33, 59, 63, 77, 99, 177, 231, 337, 413, 531, 649, 693, 1011, 1239, 1947, 2359, 3033, 3707, 3717, 4543, 5841, 7077, 11121, 13629, 19883, 21231, 25949, 33363, 40887, 59649, 77847, 139181, 178947, 218713, 233541, 417543, 656139, 1252629, 1530991, 1968417, 4592973, 13778919]

約数ペア:

[(1, 13778919), (3, 4592973), (7, 1968417), (9, 1530991), (11, 1252629), (21, 656139), (33, 417543), (59, 233541), (63, 218713), (77, 178947), (99, 139181), (177, 77847), (231, 59649), (337, 40887), (413, 33363), (531, 25949), (649, 21231), (693, 19883), (1011, 13629), (1239, 11121), (1947, 7077), (2359, 5841), (3033, 4543), (3707, 3717)]