168395217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{21031}}^1$

素因数の和:21208

約数の個数: 16

約数和(自身を含む): 239260032

約数和(自身を除く): 70864815

約数列:

[1, 3, 17, 51, 157, 471, 2669, 8007, 21031, 63093, 357527, 1072581, 3301867, 9905601, 56131739, 168395217]

約数ペア:

[(1, 168395217), (3, 56131739), (17, 9905601), (51, 3301867), (157, 1072581), (471, 357527), (2669, 63093), (8007, 21031)]