201280815

素因数分解:

$3^3\times 5^1\times {\mathrm{1490969}}^1$

素因数の和:1490983

約数の個数: 16

約数和(自身を含む): 357832800

約数和(自身を除く): 156551985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1490969, 4472907, 7454845, 13418721, 22364535, 40256163, 67093605, 201280815]

約数ペア:

[(1, 201280815), (3, 67093605), (5, 40256163), (9, 22364535), (15, 13418721), (27, 7454845), (45, 4472907), (135, 1490969)]