216237513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{19961}}^1$

素因数の和:20144

約数の個数: 16

約数和(自身を含む): 302783616

約数和(自身を除く): 86546103

約数列:

[1, 3, 23, 69, 157, 471, 3611, 10833, 19961, 59883, 459103, 1377309, 3133877, 9401631, 72079171, 216237513]

約数ペア:

[(1, 216237513), (3, 72079171), (23, 9401631), (69, 3133877), (157, 1377309), (471, 459103), (3611, 59883), (10833, 19961)]