489702987

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{941}}^1\times {\mathrm{1091}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 722122128

約数和(自身を除く): 232419141

約数列:

[1, 3, 9, 53, 159, 477, 941, 1091, 2823, 3273, 8469, 9819, 49873, 57823, 149619, 173469, 448857, 520407, 1026631, 3079893, 9239679, 54411443, 163234329, 489702987]

約数ペア:

[(1, 489702987), (3, 163234329), (9, 54411443), (53, 9239679), (159, 3079893), (477, 1026631), (941, 520407), (1091, 448857), (2823, 173469), (3273, 149619), (8469, 57823), (9819, 49873)]