71279991

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{18041}}^1$

素因数の和:18486

約数の個数: 12

約数和(自身を含む): 103200240

約数和(自身を除く): 31920249

約数列:

[1, 3, 9, 439, 1317, 3951, 18041, 54123, 162369, 7919999, 23759997, 71279991]

約数ペア:

[(1, 71279991), (3, 23759997), (9, 7919999), (439, 162369), (1317, 54123), (3951, 18041)]