12996279

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 20032272

約数和(自身を除く): 7035993

約数列:

[1, 3, 9, 17, 51, 153, 173, 491, 519, 1473, 1557, 2941, 4419, 8347, 8823, 25041, 26469, 75123, 84943, 254829, 764487, 1444031, 4332093, 12996279]

約数ペア:

[(1, 12996279), (3, 4332093), (9, 1444031), (17, 764487), (51, 254829), (153, 84943), (173, 75123), (491, 26469), (519, 25041), (1473, 8823), (1557, 8347), (2941, 4419)]