216444927

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 309109248

約数和(自身を除く): 92664321

約数列:

[1, 3, 23, 69, 73, 97, 219, 291, 443, 1329, 1679, 2231, 5037, 6693, 7081, 10189, 21243, 30567, 32339, 42971, 97017, 128913, 162863, 488589, 743797, 988333, 2231391, 2964999, 3136883, 9410649, 72148309, 216444927]

約数ペア:

[(1, 216444927), (3, 72148309), (23, 9410649), (69, 3136883), (73, 2964999), (97, 2231391), (219, 988333), (291, 743797), (443, 488589), (1329, 162863), (1679, 128913), (2231, 97017), (5037, 42971), (6693, 32339), (7081, 30567), (10189, 21243)]