2219778

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 5581440

約数和(自身を除く): 3361662

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 101, 111, 198, 202, 222, 297, 303, 333, 407, 594, 606, 666, 814, 909, 999, 1111, 1221, 1818, 1998, 2222, 2442, 2727, 3333, 3663, 3737, 5454, 6666, 7326, 7474, 9999, 10989, 11211, 19998, 21978, 22422, 29997, 33633, 41107, 59994, 67266, 82214, 100899, 123321, 201798, 246642, 369963, 739926, 1109889, 2219778]

約数ペア:

[(1, 2219778), (2, 1109889), (3, 739926), (6, 369963), (9, 246642), (11, 201798), (18, 123321), (22, 100899), (27, 82214), (33, 67266), (37, 59994), (54, 41107), (66, 33633), (74, 29997), (99, 22422), (101, 21978), (111, 19998), (198, 11211), (202, 10989), (222, 9999), (297, 7474), (303, 7326), (333, 6666), (407, 5454), (594, 3737), (606, 3663), (666, 3333), (814, 2727), (909, 2442), (999, 2222), (1111, 1998), (1221, 1818)]