20199487077

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9715963}}^1$

素因数の和:9715990

約数の個数: 32

約数和(自身を含む): 37309301760

約数和(自身を除く): 17109814683

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9715963, 29147889, 68011741, 87443667, 106875593, 204035223, 262331001, 320626779, 612105669, 748129151, 961880337, 1836317007, 2244387453, 2885641011, 6733162359, 20199487077]

約数ペア:

[(1, 20199487077), (3, 6733162359), (7, 2885641011), (9, 2244387453), (11, 1836317007), (21, 961880337), (27, 748129151), (33, 612105669), (63, 320626779), (77, 262331001), (99, 204035223), (189, 106875593), (231, 87443667), (297, 68011741), (693, 29147889), (2079, 9715963)]