247342851

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 428613120

約数和(自身を除く): 181270269

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 211, 483, 633, 809, 1449, 1477, 1899, 2427, 4431, 4853, 5663, 7281, 13293, 14559, 16989, 18607, 33971, 43677, 50967, 55821, 101913, 130249, 167463, 170699, 305739, 390747, 512097, 1172241, 1194893, 1536291, 3584679, 3926077, 10754037, 11778231, 27482539, 35334693, 82447617, 247342851]

約数ペア:

[(1, 247342851), (3, 82447617), (7, 35334693), (9, 27482539), (21, 11778231), (23, 10754037), (63, 3926077), (69, 3584679), (161, 1536291), (207, 1194893), (211, 1172241), (483, 512097), (633, 390747), (809, 305739), (1449, 170699), (1477, 167463), (1899, 130249), (2427, 101913), (4431, 55821), (4853, 50967), (5663, 43677), (7281, 33971), (13293, 18607), (14559, 16989)]