278049591

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{60223}}^1$

素因数の和:60257

約数の個数: 24

約数和(自身を含む): 438430720

約数和(自身を除く): 160381129

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 60223, 180669, 542007, 1144237, 1626021, 3432711, 4878063, 10298133, 14634189, 30894399, 92683197, 278049591]

約数ペア:

[(1, 278049591), (3, 92683197), (9, 30894399), (19, 14634189), (27, 10298133), (57, 4878063), (81, 3432711), (171, 1626021), (243, 1144237), (513, 542007), (1539, 180669), (4617, 60223)]