1680345

素因数分解:

$3^6\times 5^1\times {\mathrm{461}}^1$

素因数の和:484

約数の個数: 28

約数和(自身を含む): 3029796

約数和(自身を除く): 1349451

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 461, 729, 1215, 1383, 2305, 3645, 4149, 6915, 12447, 20745, 37341, 62235, 112023, 186705, 336069, 560115, 1680345]

約数ペア:

[(1, 1680345), (3, 560115), (5, 336069), (9, 186705), (15, 112023), (27, 62235), (45, 37341), (81, 20745), (135, 12447), (243, 6915), (405, 4149), (461, 3645), (729, 2305), (1215, 1383)]