198960645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{3631}}^1$

素因数の和:3933

約数の個数: 32

約数和(自身を含む): 344139264

約数和(自身を除く): 145178619

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 281, 843, 1405, 3631, 3653, 4215, 10893, 10959, 18155, 18265, 47203, 54465, 54795, 141609, 236015, 708045, 1020311, 3060933, 5101555, 13264043, 15304665, 39792129, 66320215, 198960645]

約数ペア:

[(1, 198960645), (3, 66320215), (5, 39792129), (13, 15304665), (15, 13264043), (39, 5101555), (65, 3060933), (195, 1020311), (281, 708045), (843, 236015), (1405, 141609), (3631, 54795), (3653, 54465), (4215, 47203), (10893, 18265), (10959, 18155)]