39991161

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 63382528

約数和(自身を除く): 23391367

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 469, 661, 903, 1407, 1983, 2881, 4627, 8643, 13881, 20167, 28423, 44287, 60501, 85269, 132861, 198961, 310009, 596883, 930027, 1904341, 5713023, 13330387, 39991161]

約数ペア:

[(1, 39991161), (3, 13330387), (7, 5713023), (21, 1904341), (43, 930027), (67, 596883), (129, 310009), (201, 198961), (301, 132861), (469, 85269), (661, 60501), (903, 44287), (1407, 28423), (1983, 20167), (2881, 13881), (4627, 8643)]