717171

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 1225728

約数和(自身を除く): 508557

約数列:

[1, 3, 7, 13, 21, 37, 39, 71, 91, 111, 213, 259, 273, 481, 497, 777, 923, 1443, 1491, 2627, 2769, 3367, 6461, 7881, 10101, 18389, 19383, 34151, 55167, 102453, 239057, 717171]

約数ペア:

[(1, 717171), (3, 239057), (7, 102453), (13, 55167), (21, 34151), (37, 19383), (39, 18389), (71, 10101), (91, 7881), (111, 6461), (213, 3367), (259, 2769), (273, 2627), (481, 1491), (497, 1443), (777, 923)]