7986195

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{313}}^1$

素因数の和:343

約数の個数: 56

約数和(自身を含む): 16473696

約数和(自身を除く): 8487501

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 313, 315, 405, 567, 729, 939, 945, 1215, 1565, 1701, 2191, 2817, 2835, 3645, 4695, 5103, 6573, 8451, 8505, 10955, 14085, 19719, 25353, 25515, 32865, 42255, 59157, 76059, 98595, 126765, 177471, 228177, 295785, 380295, 532413, 887355, 1140885, 1597239, 2662065, 7986195]

約数ペア:

[(1, 7986195), (3, 2662065), (5, 1597239), (7, 1140885), (9, 887355), (15, 532413), (21, 380295), (27, 295785), (35, 228177), (45, 177471), (63, 126765), (81, 98595), (105, 76059), (135, 59157), (189, 42255), (243, 32865), (313, 25515), (315, 25353), (405, 19719), (567, 14085), (729, 10955), (939, 8505), (945, 8451), (1215, 6573), (1565, 5103), (1701, 4695), (2191, 3645), (2817, 2835)]