168147

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 295776

約数和(自身を除く): 127629

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 157, 357, 471, 1071, 1099, 1413, 2669, 3297, 8007, 9891, 18683, 24021, 56049, 168147]

約数ペア:

[(1, 168147), (3, 56049), (7, 24021), (9, 18683), (17, 9891), (21, 8007), (51, 3297), (63, 2669), (119, 1413), (153, 1099), (157, 1071), (357, 471)]