1511244

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2019

約数の個数: 48

約数和(自身を含む): 4480000

約数和(自身を除く): 2968756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 1999, 3998, 5997, 7996, 11994, 13993, 17991, 23988, 27986, 35982, 41979, 53973, 55972, 71964, 83958, 107946, 125937, 167916, 215892, 251874, 377811, 503748, 755622, 1511244]

約数ペア:

[(1, 1511244), (2, 755622), (3, 503748), (4, 377811), (6, 251874), (7, 215892), (9, 167916), (12, 125937), (14, 107946), (18, 83958), (21, 71964), (27, 55972), (28, 53973), (36, 41979), (42, 35982), (54, 27986), (63, 23988), (84, 17991), (108, 13993), (126, 11994), (189, 7996), (252, 5997), (378, 3998), (756, 1999)]