20161121151

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1\times {\mathrm{13633}}^1$

素因数の和:14031

約数の個数: 32

約数和(自身を含む): 28836891648

約数和(自身を除く): 8675770497

約数列:

[1, 3, 17, 51, 107, 271, 321, 813, 1819, 4607, 5457, 13633, 13821, 28997, 40899, 86991, 231761, 492949, 695283, 1458731, 1478847, 3694543, 4376193, 11083629, 24798427, 62807231, 74395281, 188421693, 395316101, 1185948303, 6720373717, 20161121151]

約数ペア:

[(1, 20161121151), (3, 6720373717), (17, 1185948303), (51, 395316101), (107, 188421693), (271, 74395281), (321, 62807231), (813, 24798427), (1819, 11083629), (4607, 4376193), (5457, 3694543), (13633, 1478847), (13821, 1458731), (28997, 695283), (40899, 492949), (86991, 231761)]