1620229635

素因数分解:

$3^4\times 5^1\times {\mathrm{4000567}}^1$

素因数の和:4000584

約数の個数: 20

約数和(自身を含む): 2904412368

約数和(自身を除く): 1284182733

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4000567, 12001701, 20002835, 36005103, 60008505, 108015309, 180025515, 324045927, 540076545, 1620229635]

約数ペア:

[(1, 1620229635), (3, 540076545), (5, 324045927), (9, 180025515), (15, 108015309), (27, 60008505), (45, 36005103), (81, 20002835), (135, 12001701), (405, 4000567)]