254761101

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 444720640

約数和(自身を除く): 189959539

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 331, 399, 643, 993, 1197, 1929, 2317, 2979, 4501, 5787, 6289, 6951, 12217, 13503, 18867, 20853, 36651, 40509, 44023, 56601, 85519, 109953, 132069, 212833, 256557, 396207, 638499, 769671, 1489831, 1915497, 4043827, 4469493, 12131481, 13408479, 28306789, 36394443, 84920367, 254761101]

約数ペア:

[(1, 254761101), (3, 84920367), (7, 36394443), (9, 28306789), (19, 13408479), (21, 12131481), (57, 4469493), (63, 4043827), (133, 1915497), (171, 1489831), (331, 769671), (399, 638499), (643, 396207), (993, 256557), (1197, 212833), (1929, 132069), (2317, 109953), (2979, 85519), (4501, 56601), (5787, 44023), (6289, 40509), (6951, 36651), (12217, 20853), (13503, 18867)]