85909887

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10253}}^1$

素因数の和:10292

約数の個数: 36

約数和(自身を含む): 151964280

約数和(自身を除く): 66054393

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 10253, 30759, 71771, 92277, 194807, 215313, 502397, 584421, 645939, 1363649, 1507191, 1753263, 4090947, 4521573, 9545543, 12272841, 28636629, 85909887]

約数ペア:

[(1, 85909887), (3, 28636629), (7, 12272841), (9, 9545543), (19, 4521573), (21, 4090947), (49, 1753263), (57, 1507191), (63, 1363649), (133, 645939), (147, 584421), (171, 502397), (399, 215313), (441, 194807), (931, 92277), (1197, 71771), (2793, 30759), (8379, 10253)]