218578527

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1877}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 342547200

約数和(自身を除く): 123968673

約数列:

[1, 3, 9, 19, 27, 57, 171, 227, 513, 681, 1877, 2043, 4313, 5631, 6129, 12939, 16893, 35663, 38817, 50679, 106989, 116451, 320967, 426079, 962901, 1278237, 3834711, 8095501, 11504133, 24286503, 72859509, 218578527]

約数ペア:

[(1, 218578527), (3, 72859509), (9, 24286503), (19, 11504133), (27, 8095501), (57, 3834711), (171, 1278237), (227, 962901), (513, 426079), (681, 320967), (1877, 116451), (2043, 106989), (4313, 50679), (5631, 38817), (6129, 35663), (12939, 16893)]