1638063

素因数分解:

$3^7\times 7^1\times {\mathrm{107}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 2833920

約数和(自身を除く): 1195857

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 243, 321, 567, 729, 749, 963, 1701, 2187, 2247, 2889, 5103, 6741, 8667, 15309, 20223, 26001, 60669, 78003, 182007, 234009, 546021, 1638063]

約数ペア:

[(1, 1638063), (3, 546021), (7, 234009), (9, 182007), (21, 78003), (27, 60669), (63, 26001), (81, 20223), (107, 15309), (189, 8667), (243, 6741), (321, 5103), (567, 2889), (729, 2247), (749, 2187), (963, 1701)]