13855989

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1087}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 21168128

約数和(自身を除く): 7312139

約数列:

[1, 3, 7, 21, 607, 1087, 1821, 3261, 4249, 7609, 12747, 22827, 659809, 1979427, 4618663, 13855989]

約数ペア:

[(1, 13855989), (3, 4618663), (7, 1979427), (21, 659809), (607, 22827), (1087, 12747), (1821, 7609), (3261, 4249)]