81575892

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{6277}}^1$

素因数の和:6325

約数の個数: 54

約数和(自身を含む): 217664538

約数和(自身を除く): 136088646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6277, 6498, 12554, 12996, 18831, 25108, 37662, 56493, 75324, 112986, 119263, 225972, 238526, 357789, 477052, 715578, 1073367, 1431156, 2146734, 2265997, 4293468, 4531994, 6797991, 9063988, 13595982, 20393973, 27191964, 40787946, 81575892]

約数ペア:

[(1, 81575892), (2, 40787946), (3, 27191964), (4, 20393973), (6, 13595982), (9, 9063988), (12, 6797991), (18, 4531994), (19, 4293468), (36, 2265997), (38, 2146734), (57, 1431156), (76, 1073367), (114, 715578), (171, 477052), (228, 357789), (342, 238526), (361, 225972), (684, 119263), (722, 112986), (1083, 75324), (1444, 56493), (2166, 37662), (3249, 25108), (4332, 18831), (6277, 12996), (6498, 12554)]