12778815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7159}}^1$

素因数の和:7191

約数の個数: 32

約数和(自身を含む): 24744960

約数和(自身を除く): 11966145

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 7159, 21477, 35795, 50113, 107385, 121703, 150339, 250565, 365109, 608515, 751695, 851921, 1825545, 2555763, 4259605, 12778815]

約数ペア:

[(1, 12778815), (3, 4259605), (5, 2555763), (7, 1825545), (15, 851921), (17, 751695), (21, 608515), (35, 365109), (51, 250565), (85, 150339), (105, 121703), (119, 107385), (255, 50113), (357, 35795), (595, 21477), (1785, 7159)]