320400009

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{275969}}^1$

素因数の和:276021

約数の個数: 16

約数和(自身を含む): 485707200

約数和(自身を除く): 165307191

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 275969, 827907, 2483721, 7451163, 11866667, 35600001, 106800003, 320400009]

約数ペア:

[(1, 320400009), (3, 106800003), (9, 35600001), (27, 11866667), (43, 7451163), (129, 2483721), (387, 827907), (1161, 275969)]