28470981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 19682619

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 2089, 4543, 6267, 13629, 14623, 22979, 43869, 68937, 123251, 160853, 369753, 482559, 862757, 1355761, 2588271, 4067283, 9490327, 28470981]

約数ペア:

[(1, 28470981), (3, 9490327), (7, 4067283), (11, 2588271), (21, 1355761), (33, 862757), (59, 482559), (77, 369753), (177, 160853), (231, 123251), (413, 68937), (649, 43869), (1239, 22979), (1947, 14623), (2089, 13629), (4543, 6267)]