870810831

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51439}}^1$

素因数の和:51481

約数の個数: 40

約数和(自身を含む): 1493817600

約数和(自身を除く): 623006769

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1539, 1881, 5643, 16929, 51439, 154317, 462951, 565829, 977341, 1388853, 1697487, 2932023, 4166559, 5092461, 8796069, 10750751, 15277383, 26388207, 32252253, 45832149, 79164621, 96756759, 290270277, 870810831]

約数ペア:

[(1, 870810831), (3, 290270277), (9, 96756759), (11, 79164621), (19, 45832149), (27, 32252253), (33, 26388207), (57, 15277383), (81, 10750751), (99, 8796069), (171, 5092461), (209, 4166559), (297, 2932023), (513, 1697487), (627, 1388853), (891, 977341), (1539, 565829), (1881, 462951), (5643, 154317), (16929, 51439)]