249968997

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{18047}}^1$

素因数の和:18084

約数の個数: 28

約数和(自身を含む): 394529280

約数和(自身を除く): 144560283

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 4617, 13851, 18047, 54141, 162423, 342893, 487269, 1028679, 1461807, 3086037, 4385421, 9258111, 13156263, 27774333, 83322999, 249968997]

約数ペア:

[(1, 249968997), (3, 83322999), (9, 27774333), (19, 13156263), (27, 9258111), (57, 4385421), (81, 3086037), (171, 1461807), (243, 1028679), (513, 487269), (729, 342893), (1539, 162423), (4617, 54141), (13851, 18047)]