221465313

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{5407}}^1$

素因数の和:5494

約数の個数: 32

約数和(自身を含む): 345246720

約数和(自身を除く): 123781407

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 333, 369, 999, 1107, 1517, 4551, 5407, 13653, 16221, 40959, 48663, 145989, 200059, 221687, 600177, 665061, 1800531, 1995183, 5401593, 5985549, 8202419, 24607257, 73821771, 221465313]

約数ペア:

[(1, 221465313), (3, 73821771), (9, 24607257), (27, 8202419), (37, 5985549), (41, 5401593), (111, 1995183), (123, 1800531), (333, 665061), (369, 600177), (999, 221687), (1107, 200059), (1517, 145989), (4551, 48663), (5407, 40959), (13653, 16221)]