198640989

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{887}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 290908800

約数和(自身を除く): 92267811

約数列:

[1, 3, 9, 149, 167, 447, 501, 887, 1341, 1503, 2661, 7983, 24883, 74649, 132163, 148129, 223947, 396489, 444387, 1189467, 1333161, 22071221, 66213663, 198640989]

約数ペア:

[(1, 198640989), (3, 66213663), (9, 22071221), (149, 1333161), (167, 1189467), (447, 444387), (501, 396489), (887, 223947), (1341, 148129), (1503, 132163), (2661, 74649), (7983, 24883)]