289342893

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{6329}}^1$

素因数の和:6657

約数の個数: 24

約数和(自身を含む): 450290880

約数和(自身を除く): 160947987

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 2177, 6329, 6531, 15239, 18987, 44303, 45717, 132909, 310121, 930363, 1968319, 5904957, 13778233, 41334699, 96447631, 289342893]

約数ペア:

[(1, 289342893), (3, 96447631), (7, 41334699), (21, 13778233), (49, 5904957), (147, 1968319), (311, 930363), (933, 310121), (2177, 132909), (6329, 45717), (6531, 44303), (15239, 18987)]