201713247

素因数分解:

$3^4\times {\mathrm{1447}}^1\times {\mathrm{1721}}^1$

素因数の和:3180

約数の個数: 20

約数和(自身を含む): 301708176

約数和(自身を除く): 99994929

約数列:

[1, 3, 9, 27, 81, 1447, 1721, 4341, 5163, 13023, 15489, 39069, 46467, 117207, 139401, 2490287, 7470861, 22412583, 67237749, 201713247]

約数ペア:

[(1, 201713247), (3, 67237749), (9, 22412583), (27, 7470861), (81, 2490287), (1447, 139401), (1721, 117207), (4341, 46467), (5163, 39069), (13023, 15489)]