2178693

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 3500640

約数和(自身を除く): 1321947

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 373, 531, 649, 1119, 1947, 3357, 4103, 5841, 12309, 22007, 36927, 66021, 198063, 242077, 726231, 2178693]

約数ペア:

[(1, 2178693), (3, 726231), (9, 242077), (11, 198063), (33, 66021), (59, 36927), (99, 22007), (177, 12309), (373, 5841), (531, 4103), (649, 3357), (1119, 1947)]