15714881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 20832000

約数和(自身を除く): 5117119

約数列:

[1, 7, 13, 19, 61, 91, 133, 149, 247, 427, 793, 1043, 1159, 1729, 1937, 2831, 5551, 8113, 9089, 13559, 15067, 19817, 36803, 63623, 105469, 118157, 172691, 257621, 827099, 1208837, 2244983, 15714881]

約数ペア:

[(1, 15714881), (7, 2244983), (13, 1208837), (19, 827099), (61, 257621), (91, 172691), (133, 118157), (149, 105469), (247, 63623), (427, 36803), (793, 19817), (1043, 15067), (1159, 13559), (1729, 9089), (1937, 8113), (2831, 5551)]