15277221

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 24011520

約数和(自身を除く): 8734299

約数列:

[1, 3, 9, 23, 27, 69, 73, 207, 219, 337, 621, 657, 1011, 1679, 1971, 3033, 5037, 7751, 9099, 15111, 23253, 24601, 45333, 69759, 73803, 209277, 221409, 565823, 664227, 1697469, 5092407, 15277221]

約数ペア:

[(1, 15277221), (3, 5092407), (9, 1697469), (23, 664227), (27, 565823), (69, 221409), (73, 209277), (207, 73803), (219, 69759), (337, 45333), (621, 24601), (657, 23253), (1011, 15111), (1679, 9099), (1971, 7751), (3033, 5037)]