16481871

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{607}}^1$

素因数の和:1051

約数の個数: 24

約数和(自身を含む): 27316224

約数和(自身を除く): 10834353

約数列:

[1, 3, 7, 9, 21, 63, 431, 607, 1293, 1821, 3017, 3879, 4249, 5463, 9051, 12747, 27153, 38241, 261617, 784851, 1831319, 2354553, 5493957, 16481871]

約数ペア:

[(1, 16481871), (3, 5493957), (7, 2354553), (9, 1831319), (21, 784851), (63, 261617), (431, 38241), (607, 27153), (1293, 12747), (1821, 9051), (3017, 5463), (3879, 4249)]