128621583

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 208072800

約数和(自身を除く): 79451217

約数列:

[1, 3, 9, 19, 29, 37, 57, 87, 111, 171, 261, 333, 551, 701, 703, 1073, 1653, 2103, 2109, 3219, 4959, 6309, 6327, 9657, 13319, 20329, 20387, 25937, 39957, 60987, 61161, 77811, 119871, 182961, 183483, 233433, 386251, 492803, 752173, 1158753, 1478409, 2256519, 3476259, 4435227, 6769557, 14291287, 42873861, 128621583]

約数ペア:

[(1, 128621583), (3, 42873861), (9, 14291287), (19, 6769557), (29, 4435227), (37, 3476259), (57, 2256519), (87, 1478409), (111, 1158753), (171, 752173), (261, 492803), (333, 386251), (551, 233433), (701, 183483), (703, 182961), (1073, 119871), (1653, 77811), (2103, 61161), (2109, 60987), (3219, 39957), (4959, 25937), (6309, 20387), (6327, 20329), (9657, 13319)]