217900997469

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1613}}^1\times {\mathrm{790003}}^1$

素因数の和:791641

約数の個数: 24

約数和(自身を含む): 331517278560

約数和(自身を除く): 113616281091

約数列:

[1, 3, 9, 19, 57, 171, 1613, 4839, 14517, 30647, 91941, 275823, 790003, 2370009, 7110027, 15010057, 45030171, 135090513, 1274274839, 3822824517, 11468473551, 24211221941, 72633665823, 217900997469]

約数ペア:

[(1, 217900997469), (3, 72633665823), (9, 24211221941), (19, 11468473551), (57, 3822824517), (171, 1274274839), (1613, 135090513), (4839, 45030171), (14517, 15010057), (30647, 7110027), (91941, 2370009), (275823, 790003)]