871858239

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{5581}}^1$

素因数の和:5807

約数の個数: 32

約数和(自身を含む): 1367545344

約数和(自身を除く): 495687105

約数列:

[1, 3, 7, 21, 43, 129, 173, 301, 519, 903, 1211, 3633, 5581, 7439, 16743, 22317, 39067, 52073, 117201, 156219, 239983, 719949, 965513, 1679881, 2896539, 5039643, 6758591, 20275773, 41517059, 124551177, 290619413, 871858239]

約数ペア:

[(1, 871858239), (3, 290619413), (7, 124551177), (21, 41517059), (43, 20275773), (129, 6758591), (173, 5039643), (301, 2896539), (519, 1679881), (903, 965513), (1211, 719949), (3633, 239983), (5581, 156219), (7439, 117201), (16743, 52073), (22317, 39067)]