9731421

素因数分解:

$3^6\times 7^1\times {\mathrm{1907}}^1$

素因数の和:1932

約数の個数: 28

約数和(自身を含む): 16683552

約数和(自身を除く): 6952131

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1907, 5103, 5721, 13349, 17163, 40047, 51489, 120141, 154467, 360423, 463401, 1081269, 1390203, 3243807, 9731421]

約数ペア:

[(1, 9731421), (3, 3243807), (7, 1390203), (9, 1081269), (21, 463401), (27, 360423), (63, 154467), (81, 120141), (189, 51489), (243, 40047), (567, 17163), (729, 13349), (1701, 5721), (1907, 5103)]