81563958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647333}}^1$

素因数の和:647348

約数の個数: 24

約数和(自身を含む): 201968208

約数和(自身を除く): 120404250

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647333, 1294666, 1941999, 3883998, 4531331, 5825997, 9062662, 11651994, 13593993, 27187986, 40781979, 81563958]

約数ペア:

[(1, 81563958), (2, 40781979), (3, 27187986), (6, 13593993), (7, 11651994), (9, 9062662), (14, 5825997), (18, 4531331), (21, 3883998), (42, 1941999), (63, 1294666), (126, 647333)]