255014739

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{238109}}^1$

素因数の和:238139

約数の個数: 24

約数和(自身を含む): 445741920

約数和(自身を除く): 190727181

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 238109, 714327, 1666763, 2142981, 4047853, 5000289, 12143559, 15000867, 28334971, 36430677, 85004913, 255014739]

約数ペア:

[(1, 255014739), (3, 85004913), (7, 36430677), (9, 28334971), (17, 15000867), (21, 12143559), (51, 5000289), (63, 4047853), (119, 2142981), (153, 1666763), (357, 714327), (1071, 238109)]