31880139

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{941}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 44492544

約数和(自身を除く): 12612405

約数列:

[1, 3, 23, 69, 491, 941, 1473, 2823, 11293, 21643, 33879, 64929, 462031, 1386093, 10626713, 31880139]

約数ペア:

[(1, 31880139), (3, 10626713), (23, 1386093), (69, 462031), (491, 64929), (941, 33879), (1473, 21643), (2823, 11293)]