142319997

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 221090688

約数和(自身を除く): 78770691

約数列:

[1, 3, 9, 27, 71, 73, 81, 113, 213, 219, 243, 339, 639, 657, 1017, 1917, 1971, 3051, 5183, 5751, 5913, 8023, 8249, 9153, 15549, 17253, 17739, 24069, 24747, 27459, 46647, 72207, 74241, 139941, 216621, 222723, 419823, 585679, 649863, 668169, 1259469, 1757037, 1949589, 2004507, 5271111, 15813333, 47439999, 142319997]

約数ペア:

[(1, 142319997), (3, 47439999), (9, 15813333), (27, 5271111), (71, 2004507), (73, 1949589), (81, 1757037), (113, 1259469), (213, 668169), (219, 649863), (243, 585679), (339, 419823), (639, 222723), (657, 216621), (1017, 139941), (1917, 74241), (1971, 72207), (3051, 46647), (5183, 27459), (5751, 24747), (5913, 24069), (8023, 17739), (8249, 17253), (9153, 15549)]