16867395

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 31299840

約数和(自身を除く): 14432445

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 345, 379, 387, 645, 989, 1035, 1137, 1895, 1935, 2967, 3411, 4945, 5685, 8717, 8901, 14835, 16297, 17055, 26151, 43585, 44505, 48891, 78453, 81485, 130755, 146673, 244455, 374831, 392265, 733365, 1124493, 1874155, 3373479, 5622465, 16867395]

約数ペア:

[(1, 16867395), (3, 5622465), (5, 3373479), (9, 1874155), (15, 1124493), (23, 733365), (43, 392265), (45, 374831), (69, 244455), (115, 146673), (129, 130755), (207, 81485), (215, 78453), (345, 48891), (379, 44505), (387, 43585), (645, 26151), (989, 17055), (1035, 16297), (1137, 14835), (1895, 8901), (1935, 8717), (2967, 5685), (3411, 4945)]