2998998

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 7296000

約数和(自身を除く): 4297002

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 79, 111, 114, 158, 171, 222, 237, 333, 342, 474, 513, 666, 703, 711, 999, 1026, 1406, 1422, 1501, 1998, 2109, 2133, 2923, 3002, 4218, 4266, 4503, 5846, 6327, 8769, 9006, 12654, 13509, 17538, 18981, 26307, 27018, 37962, 40527, 52614, 55537, 78921, 81054, 111074, 157842, 166611, 333222, 499833, 999666, 1499499, 2998998]

約数ペア:

[(1, 2998998), (2, 1499499), (3, 999666), (6, 499833), (9, 333222), (18, 166611), (19, 157842), (27, 111074), (37, 81054), (38, 78921), (54, 55537), (57, 52614), (74, 40527), (79, 37962), (111, 27018), (114, 26307), (158, 18981), (171, 17538), (222, 13509), (237, 12654), (333, 9006), (342, 8769), (474, 6327), (513, 5846), (666, 4503), (703, 4266), (711, 4218), (999, 3002), (1026, 2923), (1406, 2133), (1422, 2109), (1501, 1998)]