28110519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3823}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 43746560

約数和(自身を除く): 15636041

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 3823, 7353, 11469, 34407, 72637, 164389, 217911, 493167, 653733, 1479501, 3123391, 9370173, 28110519]

約数ペア:

[(1, 28110519), (3, 9370173), (9, 3123391), (19, 1479501), (43, 653733), (57, 493167), (129, 217911), (171, 164389), (387, 72637), (817, 34407), (2451, 11469), (3823, 7353)]