15666165

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 29090880

約数和(自身を除く): 13424715

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 73, 95, 171, 219, 251, 285, 365, 657, 753, 855, 1095, 1255, 1387, 2259, 3285, 3765, 4161, 4769, 6935, 11295, 12483, 14307, 18323, 20805, 23845, 42921, 54969, 62415, 71535, 91615, 164907, 214605, 274845, 348137, 824535, 1044411, 1740685, 3133233, 5222055, 15666165]

約数ペア:

[(1, 15666165), (3, 5222055), (5, 3133233), (9, 1740685), (15, 1044411), (19, 824535), (45, 348137), (57, 274845), (73, 214605), (95, 164907), (171, 91615), (219, 71535), (251, 62415), (285, 54969), (365, 42921), (657, 23845), (753, 20805), (855, 18323), (1095, 14307), (1255, 12483), (1387, 11295), (2259, 6935), (3285, 4769), (3765, 4161)]