2971221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 4354560

約数和(自身を除く): 1383339

約数列:

[1, 3, 11, 33, 179, 503, 537, 1509, 1969, 5533, 5907, 16599, 90037, 270111, 990407, 2971221]

約数ペア:

[(1, 2971221), (3, 990407), (11, 270111), (33, 90037), (179, 16599), (503, 5907), (537, 5533), (1509, 1969)]