1137969

素因数分解:

$3^6\times 7^1\times {\mathrm{223}}^1$

素因数の和:248

約数の個数: 28

約数和(自身を含む): 1958656

約数和(自身を除く): 820687

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 223, 243, 567, 669, 729, 1561, 1701, 2007, 4683, 5103, 6021, 14049, 18063, 42147, 54189, 126441, 162567, 379323, 1137969]

約数ペア:

[(1, 1137969), (3, 379323), (7, 162567), (9, 126441), (21, 54189), (27, 42147), (63, 18063), (81, 14049), (189, 6021), (223, 5103), (243, 4683), (567, 2007), (669, 1701), (729, 1561)]