40404777

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 63840000

約数和(自身を除く): 23435223

約数列:

[1, 3, 7, 21, 37, 111, 149, 259, 349, 447, 777, 1043, 1047, 2443, 3129, 5513, 7329, 12913, 16539, 38591, 38739, 52001, 90391, 115773, 156003, 271173, 364007, 1092021, 1924037, 5772111, 13468259, 40404777]

約数ペア:

[(1, 40404777), (3, 13468259), (7, 5772111), (21, 1924037), (37, 1092021), (111, 364007), (149, 271173), (259, 156003), (349, 115773), (447, 90391), (777, 52001), (1043, 38739), (1047, 38591), (2443, 16539), (3129, 12913), (5513, 7329)]