2005406403

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{667801}}^1$

素因数の和:667835

約数の個数: 32

約数和(自身を含む): 3590103552

約数和(自身を除く): 1584697149

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 667801, 2003403, 4674607, 7345811, 8681413, 14023821, 22037433, 26044239, 51420677, 60769891, 95495543, 154262031, 182309673, 286486629, 668468801, 2005406403]

約数ペア:

[(1, 2005406403), (3, 668468801), (7, 286486629), (11, 182309673), (13, 154262031), (21, 95495543), (33, 60769891), (39, 51420677), (77, 26044239), (91, 22037433), (143, 14023821), (231, 8681413), (273, 7345811), (429, 4674607), (1001, 2003403), (3003, 667801)]