89511261

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{853}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 144291840

約数和(自身を除く): 54780579

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 399, 789, 853, 1841, 2559, 4997, 5523, 5971, 14991, 16207, 17913, 34979, 48621, 104937, 113449, 224339, 340347, 673017, 1570373, 4262441, 4711119, 12787323, 29837087, 89511261]

約数ペア:

[(1, 89511261), (3, 29837087), (7, 12787323), (19, 4711119), (21, 4262441), (57, 1570373), (133, 673017), (263, 340347), (399, 224339), (789, 113449), (853, 104937), (1841, 48621), (2559, 34979), (4997, 17913), (5523, 16207), (5971, 14991)]