2564902017

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{72461}}^1$

素因数の和:72515

約数の個数: 40

約数和(自身を含む): 4208592960

約数和(自身を除く): 1643690943

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 621, 1311, 1539, 1863, 3933, 11799, 35397, 72461, 217383, 652149, 1376759, 1666603, 1956447, 4130277, 4999809, 5869341, 12390831, 14999427, 31665457, 37172493, 44998281, 94996371, 111517479, 134994843, 284989113, 854967339, 2564902017]

約数ペア:

[(1, 2564902017), (3, 854967339), (9, 284989113), (19, 134994843), (23, 111517479), (27, 94996371), (57, 44998281), (69, 37172493), (81, 31665457), (171, 14999427), (207, 12390831), (437, 5869341), (513, 4999809), (621, 4130277), (1311, 1956447), (1539, 1666603), (1863, 1376759), (3933, 652149), (11799, 217383), (35397, 72461)]