208996887

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{2389}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 307698160

約数和(自身を除く): 98701273

約数列:

[1, 3, 11, 33, 121, 241, 363, 723, 2389, 2651, 7167, 7953, 26279, 29161, 78837, 87483, 289069, 575749, 867207, 1727247, 6333239, 18999717, 69665629, 208996887]

約数ペア:

[(1, 208996887), (3, 69665629), (11, 18999717), (33, 6333239), (121, 1727247), (241, 867207), (363, 575749), (723, 289069), (2389, 87483), (2651, 78837), (7167, 29161), (7953, 26279)]