1577121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 2661120

約数和(自身を除く): 1083999

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 109, 159, 273, 327, 371, 689, 763, 1113, 1417, 2067, 2289, 4251, 4823, 5777, 9919, 14469, 17331, 29757, 40439, 75101, 121317, 225303, 525707, 1577121]

約数ペア:

[(1, 1577121), (3, 525707), (7, 225303), (13, 121317), (21, 75101), (39, 40439), (53, 29757), (91, 17331), (109, 14469), (159, 9919), (273, 5777), (327, 4823), (371, 4251), (689, 2289), (763, 2067), (1113, 1417)]