201715839

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{191563}}^1$

素因数の和:191588

約数の個数: 20

約数和(自身を含む): 324509416

約数和(自身を除く): 122793577

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 191563, 574689, 1724067, 2490319, 5172201, 7470957, 15516603, 22412871, 67238613, 201715839]

約数ペア:

[(1, 201715839), (3, 67238613), (9, 22412871), (13, 15516603), (27, 7470957), (39, 5172201), (81, 2490319), (117, 1724067), (351, 574689), (1053, 191563)]