720199221

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{483031}}^1$

素因数の和:483112

約数の個数: 16

約数和(自身を含む): 1112905728

約数和(自身を除く): 392706507

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 483031, 1449093, 3381217, 10143651, 34295201, 102885603, 240066407, 720199221]

約数ペア:

[(1, 720199221), (3, 240066407), (7, 102885603), (21, 34295201), (71, 10143651), (213, 3381217), (497, 1449093), (1491, 483031)]