20161809447

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{1307}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 31326704640

約数和(自身を除く): 11164895193

約数列:

[1, 3, 13, 17, 39, 51, 53, 159, 221, 439, 663, 689, 901, 1307, 1317, 2067, 2703, 3921, 5707, 7463, 11713, 16991, 17121, 22219, 22389, 23267, 35139, 50973, 66657, 69271, 69801, 97019, 207813, 288847, 291057, 302471, 395539, 573773, 866541, 900523, 907413, 1177607, 1186617, 1721319, 2701569, 3532821, 5142007, 7459049, 9754141, 15308891, 15426021, 22377147, 29262423, 30409969, 45926673, 91229907, 126803833, 380411499, 395329597, 516969473, 1185988791, 1550908419, 6720603149, 20161809447]

約数ペア:

[(1, 20161809447), (3, 6720603149), (13, 1550908419), (17, 1185988791), (39, 516969473), (51, 395329597), (53, 380411499), (159, 126803833), (221, 91229907), (439, 45926673), (663, 30409969), (689, 29262423), (901, 22377147), (1307, 15426021), (1317, 15308891), (2067, 9754141), (2703, 7459049), (3921, 5142007), (5707, 3532821), (7463, 2701569), (11713, 1721319), (16991, 1186617), (17121, 1177607), (22219, 907413), (22389, 900523), (23267, 866541), (35139, 573773), (50973, 395539), (66657, 302471), (69271, 291057), (69801, 288847), (97019, 207813)]