173800971

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 40

約数和(自身を含む): 269305344

約数和(自身を除く): 95504373

約数列:

[1, 3, 9, 27, 47, 71, 81, 141, 213, 423, 639, 643, 1269, 1917, 1929, 3337, 3807, 5751, 5787, 10011, 17361, 30033, 30221, 45653, 52083, 90099, 90663, 136959, 270297, 271989, 410877, 815967, 1232631, 2145691, 2447901, 3697893, 6437073, 19311219, 57933657, 173800971]

約数ペア:

[(1, 173800971), (3, 57933657), (9, 19311219), (27, 6437073), (47, 3697893), (71, 2447901), (81, 2145691), (141, 1232631), (213, 815967), (423, 410877), (639, 271989), (643, 270297), (1269, 136959), (1917, 90663), (1929, 90099), (3337, 52083), (3807, 45653), (5751, 30221), (5787, 30033), (10011, 17361)]