16138815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 32762880

約数和(自身を除く): 16624065

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 89, 105, 157, 165, 231, 267, 385, 445, 471, 623, 785, 979, 1099, 1155, 1335, 1727, 1869, 2355, 2937, 3115, 3297, 4895, 5181, 5495, 6853, 8635, 9345, 12089, 13973, 14685, 16485, 20559, 25905, 34265, 36267, 41919, 60445, 69865, 97811, 102795, 153703, 181335, 209595, 293433, 461109, 489055, 768515, 1075921, 1467165, 2305545, 3227763, 5379605, 16138815]

約数ペア:

[(1, 16138815), (3, 5379605), (5, 3227763), (7, 2305545), (11, 1467165), (15, 1075921), (21, 768515), (33, 489055), (35, 461109), (55, 293433), (77, 209595), (89, 181335), (105, 153703), (157, 102795), (165, 97811), (231, 69865), (267, 60445), (385, 41919), (445, 36267), (471, 34265), (623, 25905), (785, 20559), (979, 16485), (1099, 14685), (1155, 13973), (1335, 12089), (1727, 9345), (1869, 8635), (2355, 6853), (2937, 5495), (3115, 5181), (3297, 4895)]