989493729

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{673}}^1\times {\mathrm{1321}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 1539696384

約数和(自身を除く): 550202655

約数列:

[1, 3, 7, 21, 53, 159, 371, 673, 1113, 1321, 2019, 3963, 4711, 9247, 14133, 27741, 35669, 70013, 107007, 210039, 249683, 490091, 749049, 889033, 1470273, 2667099, 6223231, 18669693, 47118749, 141356247, 329831243, 989493729]

約数ペア:

[(1, 989493729), (3, 329831243), (7, 141356247), (21, 47118749), (53, 18669693), (159, 6223231), (371, 2667099), (673, 1470273), (1113, 889033), (1321, 749049), (2019, 490091), (3963, 249683), (4711, 210039), (9247, 107007), (14133, 70013), (27741, 35669)]