66974781

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{57097}}^1$

素因数の和:57140

約数の個数: 16

約数和(自身を含む): 98665344

約数和(自身を除く): 31690563

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 57097, 171291, 970649, 1313231, 2911947, 3939693, 22324927, 66974781]

約数ペア:

[(1, 66974781), (3, 22324927), (17, 3939693), (23, 2911947), (51, 1313231), (69, 970649), (391, 171291), (1173, 57097)]