783670221

素因数分解:

$3^4\times {\mathrm{1871}}^1\times {\mathrm{5171}}^1$

素因数の和:7054

約数の個数: 20

約数和(自身を含む): 1171520064

約数和(自身を除く): 387849843

約数列:

[1, 3, 9, 27, 81, 1871, 5171, 5613, 15513, 16839, 46539, 50517, 139617, 151551, 418851, 9674941, 29024823, 87074469, 261223407, 783670221]

約数ペア:

[(1, 783670221), (3, 261223407), (9, 87074469), (27, 29024823), (81, 9674941), (1871, 418851), (5171, 151551), (5613, 139617), (15513, 50517), (16839, 46539)]