15141819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 26046720

約数和(自身を除く): 10904901

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 101, 121, 177, 231, 303, 363, 413, 649, 707, 847, 1111, 1239, 1947, 2121, 2541, 3333, 4543, 5959, 7139, 7777, 12221, 13629, 17877, 21417, 23331, 36663, 41713, 49973, 65549, 85547, 125139, 149919, 196647, 256641, 458843, 721039, 1376529, 2163117, 5047273, 15141819]

約数ペア:

[(1, 15141819), (3, 5047273), (7, 2163117), (11, 1376529), (21, 721039), (33, 458843), (59, 256641), (77, 196647), (101, 149919), (121, 125139), (177, 85547), (231, 65549), (303, 49973), (363, 41713), (413, 36663), (649, 23331), (707, 21417), (847, 17877), (1111, 13629), (1239, 12221), (1947, 7777), (2121, 7139), (2541, 5959), (3333, 4543)]