1206495

素因数分解:

$3^6\times 5^1\times {\mathrm{331}}^1$

素因数の和:354

約数の個数: 28

約数和(自身を含む): 2177256

約数和(自身を除く): 970761

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 331, 405, 729, 993, 1215, 1655, 2979, 3645, 4965, 8937, 14895, 26811, 44685, 80433, 134055, 241299, 402165, 1206495]

約数ペア:

[(1, 1206495), (3, 402165), (5, 241299), (9, 134055), (15, 80433), (27, 44685), (45, 26811), (81, 14895), (135, 8937), (243, 4965), (331, 3645), (405, 2979), (729, 1655), (993, 1215)]