8320347

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 15139200

約数和(自身を除く): 6818853

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 331, 399, 441, 513, 931, 993, 1197, 1323, 2317, 2793, 2979, 3591, 6289, 6951, 8379, 8937, 16219, 18867, 20853, 25137, 44023, 48657, 56601, 62559, 132069, 145971, 169803, 308161, 396207, 437913, 924483, 1188621, 2773449, 8320347]

約数ペア:

[(1, 8320347), (3, 2773449), (7, 1188621), (9, 924483), (19, 437913), (21, 396207), (27, 308161), (49, 169803), (57, 145971), (63, 132069), (133, 62559), (147, 56601), (171, 48657), (189, 44023), (331, 25137), (399, 20853), (441, 18867), (513, 16219), (931, 8937), (993, 8379), (1197, 6951), (1323, 6289), (2317, 3591), (2793, 2979)]